Home / 976,129,387.88-1,464,192,906.78-249,118,177.64

Finding the Fourth Proportional to 976,129,387.88, 1,464,192,906.78 and 249,118,177.64

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Solution

The fourth proportional to 976,129,387.88, 1,464,192,906.78 and 249,118,177.64 is: 373,676,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,129,387.88 : 1,464,192,906.78 = 249,118,177.64 : x
  2. Step 2: Convert to fraction form
    976,129,387.88/1,464,192,906.78 = 249,118,177.64/x
  3. Step 3: Cross multiply
    976,129,387.88x = 1,464,192,906.78 × 249,118,177.64
  4. Step 4: Simplify right side
    976,129,387.88x = 364,757,068,650,448,000
  5. Step 5: Solve for x
    x = 364,757,068,650,448,000/976,129,387.88
  6. Step 6: Final answer
    x = 373,676,966.58

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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.