Home / 373,248,221.70-559,872,332.55-318,828,663.30

Finding the Fourth Proportional to 373,248,221.70, 559,872,332.55 and 318,828,663.30

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Solution

The fourth proportional to 373,248,221.70, 559,872,332.55 and 318,828,663.30 is: 478,242,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,221.70 : 559,872,332.55 = 318,828,663.30 : x
  2. Step 2: Convert to fraction form
    373,248,221.70/559,872,332.55 = 318,828,663.30/x
  3. Step 3: Cross multiply
    373,248,221.70x = 559,872,332.55 × 318,828,663.30
  4. Step 4: Simplify right side
    373,248,221.70x = 178,503,347,405,569,568
  5. Step 5: Solve for x
    x = 178,503,347,405,569,568/373,248,221.70
  6. Step 6: Final answer
    x = 478,242,994.95

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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.