Home / 440,265,043.19-660,380,328.70-149,132,165.57

Finding the Fourth Proportional to 440,265,043.19, 660,380,328.70 and 149,132,165.57

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Solution

The fourth proportional to 440,265,043.19, 660,380,328.70 and 149,132,165.57 is: 223,692,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,265,043.19 : 660,380,328.70 = 149,132,165.57 : x
  2. Step 2: Convert to fraction form
    440,265,043.19/660,380,328.70 = 149,132,165.57/x
  3. Step 3: Cross multiply
    440,265,043.19x = 660,380,328.70 × 149,132,165.57
  4. Step 4: Simplify right side
    440,265,043.19x = 98,483,948,518,859,424
  5. Step 5: Solve for x
    x = 98,483,948,518,859,424/440,265,043.19
  6. Step 6: Final answer
    x = 223,692,409.93

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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.