Home / 492,070,009.60-737,601,129.60-287,492,780.80

Finding the Fourth Proportional to 492,070,009.60, 737,601,129.60 and 287,492,780.80

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Solution

The fourth proportional to 492,070,009.60, 737,601,129.60 and 287,492,780.80 is: 430,944,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,070,009.60 : 737,601,129.60 = 287,492,780.80 : x
  2. Step 2: Convert to fraction form
    492,070,009.60/737,601,129.60 = 287,492,780.80/x
  3. Step 3: Cross multiply
    492,070,009.60x = 737,601,129.60 × 287,492,780.80
  4. Step 4: Simplify right side
    492,070,009.60x = 212,054,999,869,925,216
  5. Step 5: Solve for x
    x = 212,054,999,869,925,216/492,070,009.60
  6. Step 6: Final answer
    x = 430,944,775.61

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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.