Home / 649,540,507.60-974,310,761.40-164,866,315.60

Finding the Fourth Proportional to 649,540,507.60, 974,310,761.40 and 164,866,315.60

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Solution

The fourth proportional to 649,540,507.60, 974,310,761.40 and 164,866,315.60 is: 247,299,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,540,507.60 : 974,310,761.40 = 164,866,315.60 : x
  2. Step 2: Convert to fraction form
    649,540,507.60/974,310,761.40 = 164,866,315.60/x
  3. Step 3: Cross multiply
    649,540,507.60x = 974,310,761.40 × 164,866,315.60
  4. Step 4: Simplify right side
    649,540,507.60x = 160,631,025,481,448,704
  5. Step 5: Solve for x
    x = 160,631,025,481,448,704/649,540,507.60
  6. Step 6: Final answer
    x = 247,299,473.40

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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.