Home / 321,799,234.20-482,698,851.30-117,333,979.80

Finding the Fourth Proportional to 321,799,234.20, 482,698,851.30 and 117,333,979.80

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Solution

The fourth proportional to 321,799,234.20, 482,698,851.30 and 117,333,979.80 is: 176,000,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,799,234.20 : 482,698,851.30 = 117,333,979.80 : x
  2. Step 2: Convert to fraction form
    321,799,234.20/482,698,851.30 = 117,333,979.80/x
  3. Step 3: Cross multiply
    321,799,234.20x = 482,698,851.30 × 117,333,979.80
  4. Step 4: Simplify right side
    321,799,234.20x = 56,636,977,267,917,400
  5. Step 5: Solve for x
    x = 56,636,977,267,917,400/321,799,234.20
  6. Step 6: Final answer
    x = 176,000,969.70

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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.