Home / 661,472,902.13-992,209,352.87-246,982,093.01

Finding the Fourth Proportional to 661,472,902.13, 992,209,352.87 and 246,982,093.01

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Solution

The fourth proportional to 661,472,902.13, 992,209,352.87 and 246,982,093.01 is: 370,473,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,472,902.13 : 992,209,352.87 = 246,982,093.01 : x
  2. Step 2: Convert to fraction form
    661,472,902.13/992,209,352.87 = 246,982,093.01/x
  3. Step 3: Cross multiply
    661,472,902.13x = 992,209,352.87 × 246,982,093.01
  4. Step 4: Simplify right side
    661,472,902.13x = 245,057,942,675,930,240
  5. Step 5: Solve for x
    x = 245,057,942,675,930,240/661,472,902.13
  6. Step 6: Final answer
    x = 370,473,139.39

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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.