Home / 398,784,114.60-598,176,171.90-168,676,722.60

Finding the Fourth Proportional to 398,784,114.60, 598,176,171.90 and 168,676,722.60

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Solution

The fourth proportional to 398,784,114.60, 598,176,171.90 and 168,676,722.60 is: 253,015,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,784,114.60 : 598,176,171.90 = 168,676,722.60 : x
  2. Step 2: Convert to fraction form
    398,784,114.60/598,176,171.90 = 168,676,722.60/x
  3. Step 3: Cross multiply
    398,784,114.60x = 598,176,171.90 × 168,676,722.60
  4. Step 4: Simplify right side
    398,784,114.60x = 100,898,396,213,506,208
  5. Step 5: Solve for x
    x = 100,898,396,213,506,208/398,784,114.60
  6. Step 6: Final answer
    x = 253,015,083.90

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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.