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Finding the Fourth Proportional to 574,472,955.84, 861,830,493.12 and 186,265,514.88

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Solution

The fourth proportional to 574,472,955.84, 861,830,493.12 and 186,265,514.88 is: 279,437,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,472,955.84 : 861,830,493.12 = 186,265,514.88 : x
  2. Step 2: Convert to fraction form
    574,472,955.84/861,830,493.12 = 186,265,514.88/x
  3. Step 3: Cross multiply
    574,472,955.84x = 861,830,493.12 × 186,265,514.88
  4. Step 4: Simplify right side
    574,472,955.84x = 160,529,300,540,281,088
  5. Step 5: Solve for x
    x = 160,529,300,540,281,088/574,472,955.84
  6. Step 6: Final answer
    x = 279,437,524.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.