Home / 398,664,047.40-597,996,071.10-244,811,221.80

Finding the Fourth Proportional to 398,664,047.40, 597,996,071.10 and 244,811,221.80

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Solution

The fourth proportional to 398,664,047.40, 597,996,071.10 and 244,811,221.80 is: 367,216,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,664,047.40 : 597,996,071.10 = 244,811,221.80 : x
  2. Step 2: Convert to fraction form
    398,664,047.40/597,996,071.10 = 244,811,221.80/x
  3. Step 3: Cross multiply
    398,664,047.40x = 597,996,071.10 × 244,811,221.80
  4. Step 4: Simplify right side
    398,664,047.40x = 146,396,148,797,590,688
  5. Step 5: Solve for x
    x = 146,396,148,797,590,688/398,664,047.40
  6. Step 6: Final answer
    x = 367,216,832.70

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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.