Home / 398,559,877.60-597,839,816.40-140,066,975.20

Finding the Fourth Proportional to 398,559,877.60, 597,839,816.40 and 140,066,975.20

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Solution

The fourth proportional to 398,559,877.60, 597,839,816.40 and 140,066,975.20 is: 210,100,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,559,877.60 : 597,839,816.40 = 140,066,975.20 : x
  2. Step 2: Convert to fraction form
    398,559,877.60/597,839,816.40 = 140,066,975.20/x
  3. Step 3: Cross multiply
    398,559,877.60x = 597,839,816.40 × 140,066,975.20
  4. Step 4: Simplify right side
    398,559,877.60x = 83,737,614,737,271,344
  5. Step 5: Solve for x
    x = 83,737,614,737,271,344/398,559,877.60
  6. Step 6: Final answer
    x = 210,100,462.80

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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.