Home / 257,496,389.40-386,244,584.10-229,278,840.60

Finding the Fourth Proportional to 257,496,389.40, 386,244,584.10 and 229,278,840.60

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Solution

The fourth proportional to 257,496,389.40, 386,244,584.10 and 229,278,840.60 is: 343,918,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,496,389.40 : 386,244,584.10 = 229,278,840.60 : x
  2. Step 2: Convert to fraction form
    257,496,389.40/386,244,584.10 = 229,278,840.60/x
  3. Step 3: Cross multiply
    257,496,389.40x = 386,244,584.10 × 229,278,840.60
  4. Step 4: Simplify right side
    257,496,389.40x = 88,557,710,430,477,200
  5. Step 5: Solve for x
    x = 88,557,710,430,477,200/257,496,389.40
  6. Step 6: Final answer
    x = 343,918,260.90

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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.