Home / 492,070,018.60-737,601,143.10-287,492,789.80

Finding the Fourth Proportional to 492,070,018.60, 737,601,143.10 and 287,492,789.80

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Solution

The fourth proportional to 492,070,018.60, 737,601,143.10 and 287,492,789.80 is: 430,944,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,070,018.60 : 737,601,143.10 = 287,492,789.80 : x
  2. Step 2: Convert to fraction form
    492,070,018.60/737,601,143.10 = 287,492,789.80/x
  3. Step 3: Cross multiply
    492,070,018.60x = 737,601,143.10 × 287,492,789.80
  4. Step 4: Simplify right side
    492,070,018.60x = 212,055,010,389,488,032
  5. Step 5: Solve for x
    x = 212,055,010,389,488,032/492,070,018.60
  6. Step 6: Final answer
    x = 430,944,789.10

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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.