Home / 516,341,207.48-712,530,078.57-281,386,823.27

Finding the Fourth Proportional to 516,341,207.48, 712,530,078.57 and 281,386,823.27

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Solution

The fourth proportional to 516,341,207.48, 712,530,078.57 and 281,386,823.27 is: 388,302,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,341,207.48 : 712,530,078.57 = 281,386,823.27 : x
  2. Step 2: Convert to fraction form
    516,341,207.48/712,530,078.57 = 281,386,823.27/x
  3. Step 3: Cross multiply
    516,341,207.48x = 712,530,078.57 × 281,386,823.27
  4. Step 4: Simplify right side
    516,341,207.48x = 200,496,575,289,573,152
  5. Step 5: Solve for x
    x = 200,496,575,289,573,152/516,341,207.48
  6. Step 6: Final answer
    x = 388,302,487.55

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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.