Home / 318,908,752.80-478,363,129.20-173,412,016.80

Finding the Fourth Proportional to 318,908,752.80, 478,363,129.20 and 173,412,016.80

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Solution

The fourth proportional to 318,908,752.80, 478,363,129.20 and 173,412,016.80 is: 260,118,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,908,752.80 : 478,363,129.20 = 173,412,016.80 : x
  2. Step 2: Convert to fraction form
    318,908,752.80/478,363,129.20 = 173,412,016.80/x
  3. Step 3: Cross multiply
    318,908,752.80x = 478,363,129.20 × 173,412,016.80
  4. Step 4: Simplify right side
    318,908,752.80x = 82,953,914,997,330,976
  5. Step 5: Solve for x
    x = 82,953,914,997,330,976/318,908,752.80
  6. Step 6: Final answer
    x = 260,118,025.20

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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.