Home / 924,372,274.10-1,273,489,829.49-645,472,037.30

Finding the Fourth Proportional to 924,372,274.10, 1,273,489,829.49 and 645,472,037.30

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Solution

The fourth proportional to 924,372,274.10, 1,273,489,829.49 and 645,472,037.30 is: 889,254,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,372,274.10 : 1,273,489,829.49 = 645,472,037.30 : x
  2. Step 2: Convert to fraction form
    924,372,274.10/1,273,489,829.49 = 645,472,037.30/x
  3. Step 3: Cross multiply
    924,372,274.10x = 1,273,489,829.49 × 645,472,037.30
  4. Step 4: Simplify right side
    924,372,274.10x = 822,002,074,721,739,904
  5. Step 5: Solve for x
    x = 822,002,074,721,739,904/924,372,274.10
  6. Step 6: Final answer
    x = 889,254,359.69

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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.