Home / 721,872,018.70-1,082,808,028.05-675,955,516.30

Finding the Fourth Proportional to 721,872,018.70, 1,082,808,028.05 and 675,955,516.30

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Solution

The fourth proportional to 721,872,018.70, 1,082,808,028.05 and 675,955,516.30 is: 1,013,933,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,872,018.70 : 1,082,808,028.05 = 675,955,516.30 : x
  2. Step 2: Convert to fraction form
    721,872,018.70/1,082,808,028.05 = 675,955,516.30/x
  3. Step 3: Cross multiply
    721,872,018.70x = 1,082,808,028.05 × 675,955,516.30
  4. Step 4: Simplify right side
    721,872,018.70x = 731,930,059,654,322,560
  5. Step 5: Solve for x
    x = 731,930,059,654,322,560/721,872,018.70
  6. Step 6: Final answer
    x = 1,013,933,274.45

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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.