Home / 387,072,495.60-580,608,743.40-291,521,007.60

Finding the Fourth Proportional to 387,072,495.60, 580,608,743.40 and 291,521,007.60

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Solution

The fourth proportional to 387,072,495.60, 580,608,743.40 and 291,521,007.60 is: 437,281,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,495.60 : 580,608,743.40 = 291,521,007.60 : x
  2. Step 2: Convert to fraction form
    387,072,495.60/580,608,743.40 = 291,521,007.60/x
  3. Step 3: Cross multiply
    387,072,495.60x = 580,608,743.40 × 291,521,007.60
  4. Step 4: Simplify right side
    387,072,495.60x = 169,259,645,897,337,856
  5. Step 5: Solve for x
    x = 169,259,645,897,337,856/387,072,495.60
  6. Step 6: Final answer
    x = 437,281,511.40

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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.