Home / 414,060,167.40-621,594,135.90-209,482,938.60

Finding the Fourth Proportional to 414,060,167.40, 621,594,135.90 and 209,482,938.60

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Solution

The fourth proportional to 414,060,167.40, 621,594,135.90 and 209,482,938.60 is: 314,479,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,060,167.40 : 621,594,135.90 = 209,482,938.60 : x
  2. Step 2: Convert to fraction form
    414,060,167.40/621,594,135.90 = 209,482,938.60/x
  3. Step 3: Cross multiply
    414,060,167.40x = 621,594,135.90 × 209,482,938.60
  4. Step 4: Simplify right side
    414,060,167.40x = 130,213,366,204,859,744
  5. Step 5: Solve for x
    x = 130,213,366,204,859,744/414,060,167.40
  6. Step 6: Final answer
    x = 314,479,335.27

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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.