Home / 1,278,027,801,278.50-1,763,733,805,689.50-707,744,841,470.46

Finding the Fourth Proportional to 1,278,027,801,278.50, 1,763,733,805,689.50 and 707,744,841,470.46

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Solution

The fourth proportional to 1,278,027,801,278.50, 1,763,733,805,689.50 and 707,744,841,470.46 is: 976,718,582,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,027,801,278.50 : 1,763,733,805,689.50 = 707,744,841,470.46 : x
  2. Step 2: Convert to fraction form
    1,278,027,801,278.50/1,763,733,805,689.50 = 707,744,841,470.46/x
  3. Step 3: Cross multiply
    1,278,027,801,278.50x = 1,763,733,805,689.50 × 707,744,841,470.46
  4. Step 4: Simplify right side
    1,278,027,801,278.50x = 1,248,273,502,703,806,176,034,816
  5. Step 5: Solve for x
    x = 1,248,273,502,703,806,176,034,816/1,278,027,801,278.50
  6. Step 6: Final answer
    x = 976,718,582,690.51

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Double scale
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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.