Home / 1,491,874,269.40-2,237,811,404.10-508,974,139.90

Finding the Fourth Proportional to 1,491,874,269.40, 2,237,811,404.10 and 508,974,139.90

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Solution

The fourth proportional to 1,491,874,269.40, 2,237,811,404.10 and 508,974,139.90 is: 763,461,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,874,269.40 : 2,237,811,404.10 = 508,974,139.90 : x
  2. Step 2: Convert to fraction form
    1,491,874,269.40/2,237,811,404.10 = 508,974,139.90/x
  3. Step 3: Cross multiply
    1,491,874,269.40x = 2,237,811,404.10 × 508,974,139.90
  4. Step 4: Simplify right side
    1,491,874,269.40x = 1,138,988,134,660,208,768
  5. Step 5: Solve for x
    x = 1,138,988,134,660,208,768/1,491,874,269.40
  6. Step 6: Final answer
    x = 763,461,209.85

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Double scale
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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.