Home / 661,540,117.43-992,337,561.49-195,201,532.15

Finding the Fourth Proportional to 661,540,117.43, 992,337,561.49 and 195,201,532.15

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Solution

The fourth proportional to 661,540,117.43, 992,337,561.49 and 195,201,532.15 is: 292,810,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,540,117.43 : 992,337,561.49 = 195,201,532.15 : x
  2. Step 2: Convert to fraction form
    661,540,117.43/992,337,561.49 = 195,201,532.15/x
  3. Step 3: Cross multiply
    661,540,117.43x = 992,337,561.49 × 195,201,532.15
  4. Step 4: Simplify right side
    661,540,117.43x = 193,705,812,412,842,848
  5. Step 5: Solve for x
    x = 193,705,812,412,842,848/661,540,117.43
  6. Step 6: Final answer
    x = 292,810,378.86

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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.