Home / 378,687,533.40-568,031,300.10-174,614,189.40

Finding the Fourth Proportional to 378,687,533.40, 568,031,300.10 and 174,614,189.40

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Solution

The fourth proportional to 378,687,533.40, 568,031,300.10 and 174,614,189.40 is: 261,921,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,687,533.40 : 568,031,300.10 = 174,614,189.40 : x
  2. Step 2: Convert to fraction form
    378,687,533.40/568,031,300.10 = 174,614,189.40/x
  3. Step 3: Cross multiply
    378,687,533.40x = 568,031,300.10 × 174,614,189.40
  4. Step 4: Simplify right side
    378,687,533.40x = 99,186,325,020,789,648
  5. Step 5: Solve for x
    x = 99,186,325,020,789,648/378,687,533.40
  6. Step 6: Final answer
    x = 261,921,284.10

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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.