Home / 703,561,019.70-1,055,503,661.56-243,499,194.48

Finding the Fourth Proportional to 703,561,019.70, 1,055,503,661.56 and 243,499,194.48

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Solution

The fourth proportional to 703,561,019.70, 1,055,503,661.56 and 243,499,194.48 is: 365,304,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,561,019.70 : 1,055,503,661.56 = 243,499,194.48 : x
  2. Step 2: Convert to fraction form
    703,561,019.70/1,055,503,661.56 = 243,499,194.48/x
  3. Step 3: Cross multiply
    703,561,019.70x = 1,055,503,661.56 × 243,499,194.48
  4. Step 4: Simplify right side
    703,561,019.70x = 257,014,291,360,550,528
  5. Step 5: Solve for x
    x = 257,014,291,360,550,528/703,561,019.70
  6. Step 6: Final answer
    x = 365,304,904.85

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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.