Home / 603,612,047.60-905,418,071.40-215,447,541.20

Finding the Fourth Proportional to 603,612,047.60, 905,418,071.40 and 215,447,541.20

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Solution

The fourth proportional to 603,612,047.60, 905,418,071.40 and 215,447,541.20 is: 323,171,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,612,047.60 : 905,418,071.40 = 215,447,541.20 : x
  2. Step 2: Convert to fraction form
    603,612,047.60/905,418,071.40 = 215,447,541.20/x
  3. Step 3: Cross multiply
    603,612,047.60x = 905,418,071.40 × 215,447,541.20
  4. Step 4: Simplify right side
    603,612,047.60x = 195,070,097,241,176,032
  5. Step 5: Solve for x
    x = 195,070,097,241,176,032/603,612,047.60
  6. Step 6: Final answer
    x = 323,171,311.80

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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.