Home / 651,133,231.64-898,572,031.38-353,780,438.60

Finding the Fourth Proportional to 651,133,231.64, 898,572,031.38 and 353,780,438.60

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Solution

The fourth proportional to 651,133,231.64, 898,572,031.38 and 353,780,438.60 is: 488,221,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,133,231.64 : 898,572,031.38 = 353,780,438.60 : x
  2. Step 2: Convert to fraction form
    651,133,231.64/898,572,031.38 = 353,780,438.60/x
  3. Step 3: Cross multiply
    651,133,231.64x = 898,572,031.38 × 353,780,438.60
  4. Step 4: Simplify right side
    651,133,231.64x = 317,897,207,375,309,376
  5. Step 5: Solve for x
    x = 317,897,207,375,309,376/651,133,231.64
  6. Step 6: Final answer
    x = 488,221,445.21

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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.