Home / 574,477,385.20-861,716,077.80-342,025,091.80

Finding the Fourth Proportional to 574,477,385.20, 861,716,077.80 and 342,025,091.80

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Solution

The fourth proportional to 574,477,385.20, 861,716,077.80 and 342,025,091.80 is: 513,037,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,477,385.20 : 861,716,077.80 = 342,025,091.80 : x
  2. Step 2: Convert to fraction form
    574,477,385.20/861,716,077.80 = 342,025,091.80/x
  3. Step 3: Cross multiply
    574,477,385.20x = 861,716,077.80 × 342,025,091.80
  4. Step 4: Simplify right side
    574,477,385.20x = 294,728,520,615,080,960
  5. Step 5: Solve for x
    x = 294,728,520,615,080,960/574,477,385.20
  6. Step 6: Final answer
    x = 513,037,637.70

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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.