Home / 264,001,539.20-396,002,308.80-209,581,980.80

Finding the Fourth Proportional to 264,001,539.20, 396,002,308.80 and 209,581,980.80

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Solution

The fourth proportional to 264,001,539.20, 396,002,308.80 and 209,581,980.80 is: 314,372,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,001,539.20 : 396,002,308.80 = 209,581,980.80 : x
  2. Step 2: Convert to fraction form
    264,001,539.20/396,002,308.80 = 209,581,980.80/x
  3. Step 3: Cross multiply
    264,001,539.20x = 396,002,308.80 × 209,581,980.80
  4. Step 4: Simplify right side
    264,001,539.20x = 82,994,948,279,677,280
  5. Step 5: Solve for x
    x = 82,994,948,279,677,280/264,001,539.20
  6. Step 6: Final answer
    x = 314,372,971.20

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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.