Home / 378,687,534.40-568,031,301.60-174,614,190.40

Finding the Fourth Proportional to 378,687,534.40, 568,031,301.60 and 174,614,190.40

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Solution

The fourth proportional to 378,687,534.40, 568,031,301.60 and 174,614,190.40 is: 261,921,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,687,534.40 : 568,031,301.60 = 174,614,190.40 : x
  2. Step 2: Convert to fraction form
    378,687,534.40/568,031,301.60 = 174,614,190.40/x
  3. Step 3: Cross multiply
    378,687,534.40x = 568,031,301.60 × 174,614,190.40
  4. Step 4: Simplify right side
    378,687,534.40x = 99,186,325,850,742,240
  5. Step 5: Solve for x
    x = 99,186,325,850,742,240/378,687,534.40
  6. Step 6: Final answer
    x = 261,921,285.60

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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.