Home / 476,655,742.40-714,970,387.71-126,904,808.43

Finding the Fourth Proportional to 476,655,742.40, 714,970,387.71 and 126,904,808.43

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Solution

The fourth proportional to 476,655,742.40, 714,970,387.71 and 126,904,808.43 is: 190,353,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,655,742.40 : 714,970,387.71 = 126,904,808.43 : x
  2. Step 2: Convert to fraction form
    476,655,742.40/714,970,387.71 = 126,904,808.43/x
  3. Step 3: Cross multiply
    476,655,742.40x = 714,970,387.71 × 126,904,808.43
  4. Step 4: Simplify right side
    476,655,742.40x = 90,733,180,085,460,384
  5. Step 5: Solve for x
    x = 90,733,180,085,460,384/476,655,742.40
  6. Step 6: Final answer
    x = 190,353,691.39

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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.