Home / 977,389,609.40-1,466,084,414.10-878,754,159.80

Finding the Fourth Proportional to 977,389,609.40, 1,466,084,414.10 and 878,754,159.80

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Solution

The fourth proportional to 977,389,609.40, 1,466,084,414.10 and 878,754,159.80 is: 1,318,131,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,389,609.40 : 1,466,084,414.10 = 878,754,159.80 : x
  2. Step 2: Convert to fraction form
    977,389,609.40/1,466,084,414.10 = 878,754,159.80/x
  3. Step 3: Cross multiply
    977,389,609.40x = 1,466,084,414.10 × 878,754,159.80
  4. Step 4: Simplify right side
    977,389,609.40x = 1,288,327,777,508,320,512
  5. Step 5: Solve for x
    x = 1,288,327,777,508,320,512/977,389,609.40
  6. Step 6: Final answer
    x = 1,318,131,239.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.