Home / 394,486,947.35-591,730,421.03-164,621,000.15

Finding the Fourth Proportional to 394,486,947.35, 591,730,421.03 and 164,621,000.15

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Solution

The fourth proportional to 394,486,947.35, 591,730,421.03 and 164,621,000.15 is: 246,931,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,486,947.35 : 591,730,421.03 = 164,621,000.15 : x
  2. Step 2: Convert to fraction form
    394,486,947.35/591,730,421.03 = 164,621,000.15/x
  3. Step 3: Cross multiply
    394,486,947.35x = 591,730,421.03 × 164,621,000.15
  4. Step 4: Simplify right side
    394,486,947.35x = 97,411,253,728,316,080
  5. Step 5: Solve for x
    x = 97,411,253,728,316,080/394,486,947.35
  6. Step 6: Final answer
    x = 246,931,500.23

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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.