Home / 630,193,941.90-868,859,247.76-516,745,445.81

Finding the Fourth Proportional to 630,193,941.90, 868,859,247.76 and 516,745,445.81

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Solution

The fourth proportional to 630,193,941.90, 868,859,247.76 and 516,745,445.81 is: 712,445,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,193,941.90 : 868,859,247.76 = 516,745,445.81 : x
  2. Step 2: Convert to fraction form
    630,193,941.90/868,859,247.76 = 516,745,445.81/x
  3. Step 3: Cross multiply
    630,193,941.90x = 868,859,247.76 × 516,745,445.81
  4. Step 4: Simplify right side
    630,193,941.90x = 448,979,059,327,710,272
  5. Step 5: Solve for x
    x = 448,979,059,327,710,272/630,193,941.90
  6. Step 6: Final answer
    x = 712,445,851.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.