Home / 516,241,079.84-712,404,231.12-281,294,527.52

Finding the Fourth Proportional to 516,241,079.84, 712,404,231.12 and 281,294,527.52

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Solution

The fourth proportional to 516,241,079.84, 712,404,231.12 and 281,294,527.52 is: 388,181,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,241,079.84 : 712,404,231.12 = 281,294,527.52 : x
  2. Step 2: Convert to fraction form
    516,241,079.84/712,404,231.12 = 281,294,527.52/x
  3. Step 3: Cross multiply
    516,241,079.84x = 712,404,231.12 × 281,294,527.52
  4. Step 4: Simplify right side
    516,241,079.84x = 200,395,411,596,149,280
  5. Step 5: Solve for x
    x = 200,395,411,596,149,280/516,241,079.84
  6. Step 6: Final answer
    x = 388,181,838.72

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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.