Home / 386,746,102.60-580,119,153.90-299,070,147.40

Finding the Fourth Proportional to 386,746,102.60, 580,119,153.90 and 299,070,147.40

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Solution

The fourth proportional to 386,746,102.60, 580,119,153.90 and 299,070,147.40 is: 448,605,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,746,102.60 : 580,119,153.90 = 299,070,147.40 : x
  2. Step 2: Convert to fraction form
    386,746,102.60/580,119,153.90 = 299,070,147.40/x
  3. Step 3: Cross multiply
    386,746,102.60x = 580,119,153.90 × 299,070,147.40
  4. Step 4: Simplify right side
    386,746,102.60x = 173,496,320,866,436,256
  5. Step 5: Solve for x
    x = 173,496,320,866,436,256/386,746,102.60
  6. Step 6: Final answer
    x = 448,605,221.10

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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.