Home / 661,681,806.80-992,522,710.20-177,007,614.80

Finding the Fourth Proportional to 661,681,806.80, 992,522,710.20 and 177,007,614.80

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Solution

The fourth proportional to 661,681,806.80, 992,522,710.20 and 177,007,614.80 is: 265,511,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,681,806.80 : 992,522,710.20 = 177,007,614.80 : x
  2. Step 2: Convert to fraction form
    661,681,806.80/992,522,710.20 = 177,007,614.80/x
  3. Step 3: Cross multiply
    661,681,806.80x = 992,522,710.20 × 177,007,614.80
  4. Step 4: Simplify right side
    661,681,806.80x = 175,684,077,567,333,664
  5. Step 5: Solve for x
    x = 175,684,077,567,333,664/661,681,806.80
  6. Step 6: Final answer
    x = 265,511,422.20

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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.