Home / 1,278,027,801,296.40-1,763,733,805,714.30-707,744,841,488.38

Finding the Fourth Proportional to 1,278,027,801,296.40, 1,763,733,805,714.30 and 707,744,841,488.38

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Solution

The fourth proportional to 1,278,027,801,296.40, 1,763,733,805,714.30 and 707,744,841,488.38 is: 976,718,582,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,027,801,296.40 : 1,763,733,805,714.30 = 707,744,841,488.38 : x
  2. Step 2: Convert to fraction form
    1,278,027,801,296.40/1,763,733,805,714.30 = 707,744,841,488.38/x
  3. Step 3: Cross multiply
    1,278,027,801,296.40x = 1,763,733,805,714.30 × 707,744,841,488.38
  4. Step 4: Simplify right side
    1,278,027,801,296.40x = 1,248,273,502,752,964,492,656,640
  5. Step 5: Solve for x
    x = 1,248,273,502,752,964,492,656,640/1,278,027,801,296.40
  6. Step 6: Final answer
    x = 976,718,582,715.30

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Double scale
Find fourth proportional to 1,278,027,801,297.40, 1,763,733,805,715.68 and 707,744,841,489.38
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.