Home / 992,978,952.64-1,488,446,439.36-440,541,548.80

Finding the Fourth Proportional to 992,978,952.64, 1,488,446,439.36 and 440,541,548.80

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Solution

The fourth proportional to 992,978,952.64, 1,488,446,439.36 and 440,541,548.80 is: 660,358,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,978,952.64 : 1,488,446,439.36 = 440,541,548.80 : x
  2. Step 2: Convert to fraction form
    992,978,952.64/1,488,446,439.36 = 440,541,548.80/x
  3. Step 3: Cross multiply
    992,978,952.64x = 1,488,446,439.36 × 440,541,548.80
  4. Step 4: Simplify right side
    992,978,952.64x = 655,722,499,701,499,648
  5. Step 5: Solve for x
    x = 655,722,499,701,499,648/992,978,952.64
  6. Step 6: Final answer
    x = 660,358,910.89

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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.