Home / 574,352,100.76-861,778,742.41-201,127,861.82

Finding the Fourth Proportional to 574,352,100.76, 861,778,742.41 and 201,127,861.82

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Solution

The fourth proportional to 574,352,100.76, 861,778,742.41 and 201,127,861.82 is: 301,779,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,352,100.76 : 861,778,742.41 = 201,127,861.82 : x
  2. Step 2: Convert to fraction form
    574,352,100.76/861,778,742.41 = 201,127,861.82/x
  3. Step 3: Cross multiply
    574,352,100.76x = 861,778,742.41 × 201,127,861.82
  4. Step 4: Simplify right side
    574,352,100.76x = 173,327,715,822,851,840
  5. Step 5: Solve for x
    x = 173,327,715,822,851,840/574,352,100.76
  6. Step 6: Final answer
    x = 301,779,545.32

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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.