Home / 829,982,759.94-1,145,904,454.17-517,176,519.30

Finding the Fourth Proportional to 829,982,759.94, 1,145,904,454.17 and 517,176,519.30

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Solution

The fourth proportional to 829,982,759.94, 1,145,904,454.17 and 517,176,519.30 is: 714,032,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,982,759.94 : 1,145,904,454.17 = 517,176,519.30 : x
  2. Step 2: Convert to fraction form
    829,982,759.94/1,145,904,454.17 = 517,176,519.30/x
  3. Step 3: Cross multiply
    829,982,759.94x = 1,145,904,454.17 × 517,176,519.30
  4. Step 4: Simplify right side
    829,982,759.94x = 592,634,877,058,007,040
  5. Step 5: Solve for x
    x = 592,634,877,058,007,040/829,982,759.94
  6. Step 6: Final answer
    x = 714,032,755.45

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Double scale
Find fourth proportional to 829,982,760.94, 1,145,904,455.55 and 517,176,520.30
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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.