Home / 622,882,139.40-934,323,209.10-162,866,809.80

Finding the Fourth Proportional to 622,882,139.40, 934,323,209.10 and 162,866,809.80

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Solution

The fourth proportional to 622,882,139.40, 934,323,209.10 and 162,866,809.80 is: 244,300,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,882,139.40 : 934,323,209.10 = 162,866,809.80 : x
  2. Step 2: Convert to fraction form
    622,882,139.40/934,323,209.10 = 162,866,809.80/x
  3. Step 3: Cross multiply
    622,882,139.40x = 934,323,209.10 × 162,866,809.80
  4. Step 4: Simplify right side
    622,882,139.40x = 152,170,240,388,215,360
  5. Step 5: Solve for x
    x = 152,170,240,388,215,360/622,882,139.40
  6. Step 6: Final answer
    x = 244,300,214.70

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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.