Home / 398,784,133.60-598,176,200.40-168,676,741.60

Finding the Fourth Proportional to 398,784,133.60, 598,176,200.40 and 168,676,741.60

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Solution

The fourth proportional to 398,784,133.60, 598,176,200.40 and 168,676,741.60 is: 253,015,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,784,133.60 : 598,176,200.40 = 168,676,741.60 : x
  2. Step 2: Convert to fraction form
    398,784,133.60/598,176,200.40 = 168,676,741.60/x
  3. Step 3: Cross multiply
    398,784,133.60x = 598,176,200.40 × 168,676,741.60
  4. Step 4: Simplify right side
    398,784,133.60x = 100,898,412,386,140,608
  5. Step 5: Solve for x
    x = 100,898,412,386,140,608/398,784,133.60
  6. Step 6: Final answer
    x = 253,015,112.40

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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.