Home / 318,991,104.40-478,486,656.60-182,564,294.80

Finding the Fourth Proportional to 318,991,104.40, 478,486,656.60 and 182,564,294.80

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Solution

The fourth proportional to 318,991,104.40, 478,486,656.60 and 182,564,294.80 is: 273,846,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,991,104.40 : 478,486,656.60 = 182,564,294.80 : x
  2. Step 2: Convert to fraction form
    318,991,104.40/478,486,656.60 = 182,564,294.80/x
  3. Step 3: Cross multiply
    318,991,104.40x = 478,486,656.60 × 182,564,294.80
  4. Step 4: Simplify right side
    318,991,104.40x = 87,354,579,033,388,768
  5. Step 5: Solve for x
    x = 87,354,579,033,388,768/318,991,104.40
  6. Step 6: Final answer
    x = 273,846,442.20

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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.