Home / 394,487,103.60-591,730,655.40-164,621,156.40

Finding the Fourth Proportional to 394,487,103.60, 591,730,655.40 and 164,621,156.40

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Solution

The fourth proportional to 394,487,103.60, 591,730,655.40 and 164,621,156.40 is: 246,931,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,487,103.60 : 591,730,655.40 = 164,621,156.40 : x
  2. Step 2: Convert to fraction form
    394,487,103.60/591,730,655.40 = 164,621,156.40/x
  3. Step 3: Cross multiply
    394,487,103.60x = 591,730,655.40 × 164,621,156.40
  4. Step 4: Simplify right side
    394,487,103.60x = 97,411,384,769,277,904
  5. Step 5: Solve for x
    x = 97,411,384,769,277,904/394,487,103.60
  6. Step 6: Final answer
    x = 246,931,734.60

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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.