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Finding the Fourth Proportional to 1,411,079,387.04, 1,947,188,472.84 and 776,044,593

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Solution

The fourth proportional to 1,411,079,387.04, 1,947,188,472.84 and 776,044,593 is: 1,070,885,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,079,387.04 : 1,947,188,472.84 = 776,044,593 : x
  2. Step 2: Convert to fraction form
    1,411,079,387.04/1,947,188,472.84 = 776,044,593/x
  3. Step 3: Cross multiply
    1,411,079,387.04x = 1,947,188,472.84 × 776,044,593
  4. Step 4: Simplify right side
    1,411,079,387.04x = 1,511,105,085,899,409,408
  5. Step 5: Solve for x
    x = 1,511,105,085,899,409,408/1,411,079,387.04
  6. Step 6: Final answer
    x = 1,070,885,947.15

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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.