Home / 229,228,857.60-343,843,286.40-215,780,870.40

Finding the Fourth Proportional to 229,228,857.60, 343,843,286.40 and 215,780,870.40

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Solution

The fourth proportional to 229,228,857.60, 343,843,286.40 and 215,780,870.40 is: 323,671,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,228,857.60 : 343,843,286.40 = 215,780,870.40 : x
  2. Step 2: Convert to fraction form
    229,228,857.60/343,843,286.40 = 215,780,870.40/x
  3. Step 3: Cross multiply
    229,228,857.60x = 343,843,286.40 × 215,780,870.40
  4. Step 4: Simplify right side
    229,228,857.60x = 74,194,803,620,588,480
  5. Step 5: Solve for x
    x = 74,194,803,620,588,480/229,228,857.60
  6. Step 6: Final answer
    x = 323,671,305.60

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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.