Home / 516,228,850.02-712,386,843.45-281,281,441.10

Finding the Fourth Proportional to 516,228,850.02, 712,386,843.45 and 281,281,441.10

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Solution

The fourth proportional to 516,228,850.02, 712,386,843.45 and 281,281,441.10 is: 388,163,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,228,850.02 : 712,386,843.45 = 281,281,441.10 : x
  2. Step 2: Convert to fraction form
    516,228,850.02/712,386,843.45 = 281,281,441.10/x
  3. Step 3: Cross multiply
    516,228,850.02x = 712,386,843.45 × 281,281,441.10
  4. Step 4: Simplify right side
    516,228,850.02x = 200,381,197,946,296,128
  5. Step 5: Solve for x
    x = 200,381,197,946,296,128/516,228,850.02
  6. Step 6: Final answer
    x = 388,163,501.40

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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.