Home / 516,224,310.02-712,389,650.35-281,274,970.50

Finding the Fourth Proportional to 516,224,310.02, 712,389,650.35 and 281,274,970.50

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Solution

The fourth proportional to 516,224,310.02, 712,389,650.35 and 281,274,970.50 is: 388,159,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,310.02 : 712,389,650.35 = 281,274,970.50 : x
  2. Step 2: Convert to fraction form
    516,224,310.02/712,389,650.35 = 281,274,970.50/x
  3. Step 3: Cross multiply
    516,224,310.02x = 712,389,650.35 × 281,274,970.50
  4. Step 4: Simplify right side
    516,224,310.02x = 200,377,377,889,913,376
  5. Step 5: Solve for x
    x = 200,377,377,889,913,376/516,224,310.02
  6. Step 6: Final answer
    x = 388,159,515.15

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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.