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Finding the Fourth Proportional to 298,672,951.80, 448,009,427.70 and 268,061,950.20

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Solution

The fourth proportional to 298,672,951.80, 448,009,427.70 and 268,061,950.20 is: 402,092,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,672,951.80 : 448,009,427.70 = 268,061,950.20 : x
  2. Step 2: Convert to fraction form
    298,672,951.80/448,009,427.70 = 268,061,950.20/x
  3. Step 3: Cross multiply
    298,672,951.80x = 448,009,427.70 × 268,061,950.20
  4. Step 4: Simplify right side
    298,672,951.80x = 120,094,280,897,247,888
  5. Step 5: Solve for x
    x = 120,094,280,897,247,888/298,672,951.80
  6. Step 6: Final answer
    x = 402,092,925.30

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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.