Home / 291,025,731.60-436,538,597.40-252,761,979.60

Finding the Fourth Proportional to 291,025,731.60, 436,538,597.40 and 252,761,979.60

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Solution

The fourth proportional to 291,025,731.60, 436,538,597.40 and 252,761,979.60 is: 379,142,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,025,731.60 : 436,538,597.40 = 252,761,979.60 : x
  2. Step 2: Convert to fraction form
    291,025,731.60/436,538,597.40 = 252,761,979.60/x
  3. Step 3: Cross multiply
    291,025,731.60x = 436,538,597.40 × 252,761,979.60
  4. Step 4: Simplify right side
    291,025,731.60x = 110,340,360,050,631,408
  5. Step 5: Solve for x
    x = 110,340,360,050,631,408/291,025,731.60
  6. Step 6: Final answer
    x = 379,142,969.40

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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.