Home / 354,294,422.10-531,441,633.15-342,390,143.70

Finding the Fourth Proportional to 354,294,422.10, 531,441,633.15 and 342,390,143.70

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Solution

The fourth proportional to 354,294,422.10, 531,441,633.15 and 342,390,143.70 is: 513,585,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,422.10 : 531,441,633.15 = 342,390,143.70 : x
  2. Step 2: Convert to fraction form
    354,294,422.10/531,441,633.15 = 342,390,143.70/x
  3. Step 3: Cross multiply
    354,294,422.10x = 531,441,633.15 × 342,390,143.70
  4. Step 4: Simplify right side
    354,294,422.10x = 181,960,377,142,391,168
  5. Step 5: Solve for x
    x = 181,960,377,142,391,168/354,294,422.10
  6. Step 6: Final answer
    x = 513,585,215.55

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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.