Home / 440,126,645.60-660,189,968.40-236,053,301.60

Finding the Fourth Proportional to 440,126,645.60, 660,189,968.40 and 236,053,301.60

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Solution

The fourth proportional to 440,126,645.60, 660,189,968.40 and 236,053,301.60 is: 354,079,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,126,645.60 : 660,189,968.40 = 236,053,301.60 : x
  2. Step 2: Convert to fraction form
    440,126,645.60/660,189,968.40 = 236,053,301.60/x
  3. Step 3: Cross multiply
    440,126,645.60x = 660,189,968.40 × 236,053,301.60
  4. Step 4: Simplify right side
    440,126,645.60x = 155,840,021,724,019,648
  5. Step 5: Solve for x
    x = 155,840,021,724,019,648/440,126,645.60
  6. Step 6: Final answer
    x = 354,079,952.40

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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.