Home / 1,329,182,440.74-1,834,376,330.41-756,989,687.21

Finding the Fourth Proportional to 1,329,182,440.74, 1,834,376,330.41 and 756,989,687.21

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Solution

The fourth proportional to 1,329,182,440.74, 1,834,376,330.41 and 756,989,687.21 is: 1,044,705,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,182,440.74 : 1,834,376,330.41 = 756,989,687.21 : x
  2. Step 2: Convert to fraction form
    1,329,182,440.74/1,834,376,330.41 = 756,989,687.21/x
  3. Step 3: Cross multiply
    1,329,182,440.74x = 1,834,376,330.41 × 756,989,687.21
  4. Step 4: Simplify right side
    1,329,182,440.74x = 1,388,603,964,571,429,376
  5. Step 5: Solve for x
    x = 1,388,603,964,571,429,376/1,329,182,440.74
  6. Step 6: Final answer
    x = 1,044,705,318.10

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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.