Home / 386,746,155.60-580,119,233.40-299,070,200.40

Finding the Fourth Proportional to 386,746,155.60, 580,119,233.40 and 299,070,200.40

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Solution

The fourth proportional to 386,746,155.60, 580,119,233.40 and 299,070,200.40 is: 448,605,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,746,155.60 : 580,119,233.40 = 299,070,200.40 : x
  2. Step 2: Convert to fraction form
    386,746,155.60/580,119,233.40 = 299,070,200.40/x
  3. Step 3: Cross multiply
    386,746,155.60x = 580,119,233.40 × 299,070,200.40
  4. Step 4: Simplify right side
    386,746,155.60x = 173,496,375,388,832,352
  5. Step 5: Solve for x
    x = 173,496,375,388,832,352/386,746,155.60
  6. Step 6: Final answer
    x = 448,605,300.60

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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.