Home / 460,419,004.64-691,119,925.76-198,233,308.96

Finding the Fourth Proportional to 460,419,004.64, 691,119,925.76 and 198,233,308.96

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Solution

The fourth proportional to 460,419,004.64, 691,119,925.76 and 198,233,308.96 is: 297,561,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,419,004.64 : 691,119,925.76 = 198,233,308.96 : x
  2. Step 2: Convert to fraction form
    460,419,004.64/691,119,925.76 = 198,233,308.96/x
  3. Step 3: Cross multiply
    460,419,004.64x = 691,119,925.76 × 198,233,308.96
  4. Step 4: Simplify right side
    460,419,004.64x = 137,002,989,771,594,352
  5. Step 5: Solve for x
    x = 137,002,989,771,594,352/460,419,004.64
  6. Step 6: Final answer
    x = 297,561,543.70

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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.