Home / 398,797,497.60-598,196,246.40-344,061,830.40

Finding the Fourth Proportional to 398,797,497.60, 598,196,246.40 and 344,061,830.40

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Solution

The fourth proportional to 398,797,497.60, 598,196,246.40 and 344,061,830.40 is: 516,092,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,797,497.60 : 598,196,246.40 = 344,061,830.40 : x
  2. Step 2: Convert to fraction form
    398,797,497.60/598,196,246.40 = 344,061,830.40/x
  3. Step 3: Cross multiply
    398,797,497.60x = 598,196,246.40 × 344,061,830.40
  4. Step 4: Simplify right side
    398,797,497.60x = 205,816,495,474,793,376
  5. Step 5: Solve for x
    x = 205,816,495,474,793,376/398,797,497.60
  6. Step 6: Final answer
    x = 516,092,745.60

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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.