Home / 1,329,182,441.32-1,834,376,331.20-756,989,687.78

Finding the Fourth Proportional to 1,329,182,441.32, 1,834,376,331.20 and 756,989,687.78

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Solution

The fourth proportional to 1,329,182,441.32, 1,834,376,331.20 and 756,989,687.78 is: 1,044,705,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,182,441.32 : 1,834,376,331.20 = 756,989,687.78 : x
  2. Step 2: Convert to fraction form
    1,329,182,441.32/1,834,376,331.20 = 756,989,687.78/x
  3. Step 3: Cross multiply
    1,329,182,441.32x = 1,834,376,331.20 × 756,989,687.78
  4. Step 4: Simplify right side
    1,329,182,441.32x = 1,388,603,966,226,109,952
  5. Step 5: Solve for x
    x = 1,388,603,966,226,109,952/1,329,182,441.32
  6. Step 6: Final answer
    x = 1,044,705,318.89

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1.5x scale

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.