Home / 440,389,504.40-660,563,261.40-149,228,070.80

Finding the Fourth Proportional to 440,389,504.40, 660,563,261.40 and 149,228,070.80

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Solution

The fourth proportional to 440,389,504.40, 660,563,261.40 and 149,228,070.80 is: 223,834,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,389,504.40 : 660,563,261.40 = 149,228,070.80 : x
  2. Step 2: Convert to fraction form
    440,389,504.40/660,563,261.40 = 149,228,070.80/x
  3. Step 3: Cross multiply
    440,389,504.40x = 660,563,261.40 × 149,228,070.80
  4. Step 4: Simplify right side
    440,389,504.40x = 98,574,581,140,078,112
  5. Step 5: Solve for x
    x = 98,574,581,140,078,112/440,389,504.40
  6. Step 6: Final answer
    x = 223,834,991.88

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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.