Home / 441,930,930.16-662,703,909.40-126,727,312.88

Finding the Fourth Proportional to 441,930,930.16, 662,703,909.40 and 126,727,312.88

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Solution

The fourth proportional to 441,930,930.16, 662,703,909.40 and 126,727,312.88 is: 190,035,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,930,930.16 : 662,703,909.40 = 126,727,312.88 : x
  2. Step 2: Convert to fraction form
    441,930,930.16/662,703,909.40 = 126,727,312.88/x
  3. Step 3: Cross multiply
    441,930,930.16x = 662,703,909.40 × 126,727,312.88
  4. Step 4: Simplify right side
    441,930,930.16x = 83,982,685,670,709,984
  5. Step 5: Solve for x
    x = 83,982,685,670,709,984/441,930,930.16
  6. Step 6: Final answer
    x = 190,035,772.42

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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.