Home / 437,400,219.20-656,194,807.20-130,723,332.80

Finding the Fourth Proportional to 437,400,219.20, 656,194,807.20 and 130,723,332.80

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Solution

The fourth proportional to 437,400,219.20, 656,194,807.20 and 130,723,332.80 is: 196,113,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,400,219.20 : 656,194,807.20 = 130,723,332.80 : x
  2. Step 2: Convert to fraction form
    437,400,219.20/656,194,807.20 = 130,723,332.80/x
  3. Step 3: Cross multiply
    437,400,219.20x = 656,194,807.20 × 130,723,332.80
  4. Step 4: Simplify right side
    437,400,219.20x = 85,779,972,163,237,440
  5. Step 5: Solve for x
    x = 85,779,972,163,237,440/437,400,219.20
  6. Step 6: Final answer
    x = 196,113,235.43

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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.