Home / 516,630,700.88-712,955,931.72-281,679,444.08

Finding the Fourth Proportional to 516,630,700.88, 712,955,931.72 and 281,679,444.08

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Solution

The fourth proportional to 516,630,700.88, 712,955,931.72 and 281,679,444.08 is: 388,720,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,630,700.88 : 712,955,931.72 = 281,679,444.08 : x
  2. Step 2: Convert to fraction form
    516,630,700.88/712,955,931.72 = 281,679,444.08/x
  3. Step 3: Cross multiply
    516,630,700.88x = 712,955,931.72 × 281,679,444.08
  4. Step 4: Simplify right side
    516,630,700.88x = 200,825,030,500,428,032
  5. Step 5: Solve for x
    x = 200,825,030,500,428,032/516,630,700.88
  6. Step 6: Final answer
    x = 388,720,666.73

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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.