Home / 398,307,390.60-597,120,281.10-152,840,169.48

Finding the Fourth Proportional to 398,307,390.60, 597,120,281.10 and 152,840,169.48

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Solution

The fourth proportional to 398,307,390.60, 597,120,281.10 and 152,840,169.48 is: 229,129,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,307,390.60 : 597,120,281.10 = 152,840,169.48 : x
  2. Step 2: Convert to fraction form
    398,307,390.60/597,120,281.10 = 152,840,169.48/x
  3. Step 3: Cross multiply
    398,307,390.60x = 597,120,281.10 × 152,840,169.48
  4. Step 4: Simplify right side
    398,307,390.60x = 91,263,964,963,269,232
  5. Step 5: Solve for x
    x = 91,263,964,963,269,232/398,307,390.60
  6. Step 6: Final answer
    x = 229,129,479.18

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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.