Home / 817,502,937.52-1,127,985,644.28-469,755,240.88

Finding the Fourth Proportional to 817,502,937.52, 1,127,985,644.28 and 469,755,240.88

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Solution

The fourth proportional to 817,502,937.52, 1,127,985,644.28 and 469,755,240.88 is: 648,165,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,502,937.52 : 1,127,985,644.28 = 469,755,240.88 : x
  2. Step 2: Convert to fraction form
    817,502,937.52/1,127,985,644.28 = 469,755,240.88/x
  3. Step 3: Cross multiply
    817,502,937.52x = 1,127,985,644.28 × 469,755,240.88
  4. Step 4: Simplify right side
    817,502,937.52x = 529,877,168,037,933,376
  5. Step 5: Solve for x
    x = 529,877,168,037,933,376/817,502,937.52
  6. Step 6: Final answer
    x = 648,165,460.60

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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.