Home / 478,334,682.40-717,502,023.60-392,170,381.60

Finding the Fourth Proportional to 478,334,682.40, 717,502,023.60 and 392,170,381.60

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Solution

The fourth proportional to 478,334,682.40, 717,502,023.60 and 392,170,381.60 is: 588,255,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,334,682.40 : 717,502,023.60 = 392,170,381.60 : x
  2. Step 2: Convert to fraction form
    478,334,682.40/717,502,023.60 = 392,170,381.60/x
  3. Step 3: Cross multiply
    478,334,682.40x = 717,502,023.60 × 392,170,381.60
  4. Step 4: Simplify right side
    478,334,682.40x = 281,383,042,393,984,224
  5. Step 5: Solve for x
    x = 281,383,042,393,984,224/478,334,682.40
  6. Step 6: Final answer
    x = 588,255,572.40

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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.