Home / 394,486,912.60-591,730,368.90-164,620,965.40

Finding the Fourth Proportional to 394,486,912.60, 591,730,368.90 and 164,620,965.40

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Solution

The fourth proportional to 394,486,912.60, 591,730,368.90 and 164,620,965.40 is: 246,931,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,486,912.60 : 591,730,368.90 = 164,620,965.40 : x
  2. Step 2: Convert to fraction form
    394,486,912.60/591,730,368.90 = 164,620,965.40/x
  3. Step 3: Cross multiply
    394,486,912.60x = 591,730,368.90 × 164,620,965.40
  4. Step 4: Simplify right side
    394,486,912.60x = 97,411,224,584,816,128
  5. Step 5: Solve for x
    x = 97,411,224,584,816,128/394,486,912.60
  6. Step 6: Final answer
    x = 246,931,448.10

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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.