Home / 398,307,387.60-597,120,276.60-152,840,166.48

Finding the Fourth Proportional to 398,307,387.60, 597,120,276.60 and 152,840,166.48

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Solution

The fourth proportional to 398,307,387.60, 597,120,276.60 and 152,840,166.48 is: 229,129,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,307,387.60 : 597,120,276.60 = 152,840,166.48 : x
  2. Step 2: Convert to fraction form
    398,307,387.60/597,120,276.60 = 152,840,166.48/x
  3. Step 3: Cross multiply
    398,307,387.60x = 597,120,276.60 × 152,840,166.48
  4. Step 4: Simplify right side
    398,307,387.60x = 91,263,962,484,127,648
  5. Step 5: Solve for x
    x = 91,263,962,484,127,648/398,307,387.60
  6. Step 6: Final answer
    x = 229,129,474.69

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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.