Home / 580,610,231.20-870,915,346.80-471,771,114.40

Finding the Fourth Proportional to 580,610,231.20, 870,915,346.80 and 471,771,114.40

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Solution

The fourth proportional to 580,610,231.20, 870,915,346.80 and 471,771,114.40 is: 707,656,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,610,231.20 : 870,915,346.80 = 471,771,114.40 : x
  2. Step 2: Convert to fraction form
    580,610,231.20/870,915,346.80 = 471,771,114.40/x
  3. Step 3: Cross multiply
    580,610,231.20x = 870,915,346.80 × 471,771,114.40
  4. Step 4: Simplify right side
    580,610,231.20x = 410,872,703,707,898,432
  5. Step 5: Solve for x
    x = 410,872,703,707,898,432/580,610,231.20
  6. Step 6: Final answer
    x = 707,656,671.60

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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.