Home / 1,278,027,801,491.60-1,763,733,805,983.80-707,744,841,683.67

Finding the Fourth Proportional to 1,278,027,801,491.60, 1,763,733,805,983.80 and 707,744,841,683.67

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Solution

The fourth proportional to 1,278,027,801,491.60, 1,763,733,805,983.80 and 707,744,841,683.67 is: 976,718,582,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,027,801,491.60 : 1,763,733,805,983.80 = 707,744,841,683.67 : x
  2. Step 2: Convert to fraction form
    1,278,027,801,491.60/1,763,733,805,983.80 = 707,744,841,683.67/x
  3. Step 3: Cross multiply
    1,278,027,801,491.60x = 1,763,733,805,983.80 × 707,744,841,683.67
  4. Step 4: Simplify right side
    1,278,027,801,491.60x = 1,248,273,503,288,141,308,493,824
  5. Step 5: Solve for x
    x = 1,248,273,503,288,141,308,493,824/1,278,027,801,491.60
  6. Step 6: Final answer
    x = 976,718,582,984.87

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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.