Home / 1,329,182,440.32-1,834,376,329.82-756,989,686.78

Finding the Fourth Proportional to 1,329,182,440.32, 1,834,376,329.82 and 756,989,686.78

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Solution

The fourth proportional to 1,329,182,440.32, 1,834,376,329.82 and 756,989,686.78 is: 1,044,705,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,182,440.32 : 1,834,376,329.82 = 756,989,686.78 : x
  2. Step 2: Convert to fraction form
    1,329,182,440.32/1,834,376,329.82 = 756,989,686.78/x
  3. Step 3: Cross multiply
    1,329,182,440.32x = 1,834,376,329.82 × 756,989,686.78
  4. Step 4: Simplify right side
    1,329,182,440.32x = 1,388,603,963,338,738,432
  5. Step 5: Solve for x
    x = 1,388,603,963,338,738,432/1,329,182,440.32
  6. Step 6: Final answer
    x = 1,044,705,317.51

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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.