Home / 424,553,303.20-636,833,519.76-117,869,331.04

Finding the Fourth Proportional to 424,553,303.20, 636,833,519.76 and 117,869,331.04

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Solution

The fourth proportional to 424,553,303.20, 636,833,519.76 and 117,869,331.04 is: 176,804,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,553,303.20 : 636,833,519.76 = 117,869,331.04 : x
  2. Step 2: Convert to fraction form
    424,553,303.20/636,833,519.76 = 117,869,331.04/x
  3. Step 3: Cross multiply
    424,553,303.20x = 636,833,519.76 × 117,869,331.04
  4. Step 4: Simplify right side
    424,553,303.20x = 75,063,140,957,959,824
  5. Step 5: Solve for x
    x = 75,063,140,957,959,824/424,553,303.20
  6. Step 6: Final answer
    x = 176,804,986.30

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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.