Home / 979,926,029.40-1,468,188,432.90-826,871,021.40

Finding the Fourth Proportional to 979,926,029.40, 1,468,188,432.90 and 826,871,021.40

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Solution

The fourth proportional to 979,926,029.40, 1,468,188,432.90 and 826,871,021.40 is: 1,238,871,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,926,029.40 : 1,468,188,432.90 = 826,871,021.40 : x
  2. Step 2: Convert to fraction form
    979,926,029.40/1,468,188,432.90 = 826,871,021.40/x
  3. Step 3: Cross multiply
    979,926,029.40x = 1,468,188,432.90 × 826,871,021.40
  4. Step 4: Simplify right side
    979,926,029.40x = 1,214,002,469,119,688,448
  5. Step 5: Solve for x
    x = 1,214,002,469,119,688,448/979,926,029.40
  6. Step 6: Final answer
    x = 1,238,871,539.99

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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.