Home / 487,745,876.52-731,464,629.66-160,167,387.24

Finding the Fourth Proportional to 487,745,876.52, 731,464,629.66 and 160,167,387.24

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Solution

The fourth proportional to 487,745,876.52, 731,464,629.66 and 160,167,387.24 is: 240,200,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,745,876.52 : 731,464,629.66 = 160,167,387.24 : x
  2. Step 2: Convert to fraction form
    487,745,876.52/731,464,629.66 = 160,167,387.24/x
  3. Step 3: Cross multiply
    487,745,876.52x = 731,464,629.66 × 160,167,387.24
  4. Step 4: Simplify right side
    487,745,876.52x = 117,156,778,591,116,416
  5. Step 5: Solve for x
    x = 117,156,778,591,116,416/487,745,876.52
  6. Step 6: Final answer
    x = 240,200,449.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.