Home / 299,229,337.60-447,993,700.80-265,217,113.60

Finding the Fourth Proportional to 299,229,337.60, 447,993,700.80 and 265,217,113.60

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Solution

The fourth proportional to 299,229,337.60, 447,993,700.80 and 265,217,113.60 is: 397,072,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,229,337.60 : 447,993,700.80 = 265,217,113.60 : x
  2. Step 2: Convert to fraction form
    299,229,337.60/447,993,700.80 = 265,217,113.60/x
  3. Step 3: Cross multiply
    299,229,337.60x = 447,993,700.80 × 265,217,113.60
  4. Step 4: Simplify right side
    299,229,337.60x = 118,815,596,237,158,016
  5. Step 5: Solve for x
    x = 118,815,596,237,158,016/299,229,337.60
  6. Step 6: Final answer
    x = 397,072,015.70

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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.