Home / 318,911,628.80-478,367,443.20-173,414,892.80

Finding the Fourth Proportional to 318,911,628.80, 478,367,443.20 and 173,414,892.80

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Solution

The fourth proportional to 318,911,628.80, 478,367,443.20 and 173,414,892.80 is: 260,122,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,911,628.80 : 478,367,443.20 = 173,414,892.80 : x
  2. Step 2: Convert to fraction form
    318,911,628.80/478,367,443.20 = 173,414,892.80/x
  3. Step 3: Cross multiply
    318,911,628.80x = 478,367,443.20 × 173,414,892.80
  4. Step 4: Simplify right side
    318,911,628.80x = 82,956,038,881,538,096
  5. Step 5: Solve for x
    x = 82,956,038,881,538,096/318,911,628.80
  6. Step 6: Final answer
    x = 260,122,339.20

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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.