Home / 398,541,632.40-597,812,448.60-353,192,000.40

Finding the Fourth Proportional to 398,541,632.40, 597,812,448.60 and 353,192,000.40

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Solution

The fourth proportional to 398,541,632.40, 597,812,448.60 and 353,192,000.40 is: 529,788,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,541,632.40 : 597,812,448.60 = 353,192,000.40 : x
  2. Step 2: Convert to fraction form
    398,541,632.40/597,812,448.60 = 353,192,000.40/x
  3. Step 3: Cross multiply
    398,541,632.40x = 597,812,448.60 × 353,192,000.40
  4. Step 4: Simplify right side
    398,541,632.40x = 211,142,574,585,056,160
  5. Step 5: Solve for x
    x = 211,142,574,585,056,160/398,541,632.40
  6. Step 6: Final answer
    x = 529,788,000.60

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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.