Home / 372,228,777.20-558,343,165.80-178,518,532.70

Finding the Fourth Proportional to 372,228,777.20, 558,343,165.80 and 178,518,532.70

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Solution

The fourth proportional to 372,228,777.20, 558,343,165.80 and 178,518,532.70 is: 267,777,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,228,777.20 : 558,343,165.80 = 178,518,532.70 : x
  2. Step 2: Convert to fraction form
    372,228,777.20/558,343,165.80 = 178,518,532.70/x
  3. Step 3: Cross multiply
    372,228,777.20x = 558,343,165.80 × 178,518,532.70
  4. Step 4: Simplify right side
    372,228,777.20x = 99,674,602,701,688,800
  5. Step 5: Solve for x
    x = 99,674,602,701,688,800/372,228,777.20
  6. Step 6: Final answer
    x = 267,777,799.05

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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.