Home / 273,096,999.20-409,645,498.80-156,392,555.60

Finding the Fourth Proportional to 273,096,999.20, 409,645,498.80 and 156,392,555.60

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Solution

The fourth proportional to 273,096,999.20, 409,645,498.80 and 156,392,555.60 is: 234,588,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,096,999.20 : 409,645,498.80 = 156,392,555.60 : x
  2. Step 2: Convert to fraction form
    273,096,999.20/409,645,498.80 = 156,392,555.60/x
  3. Step 3: Cross multiply
    273,096,999.20x = 409,645,498.80 × 156,392,555.60
  4. Step 4: Simplify right side
    273,096,999.20x = 64,065,506,447,368,736
  5. Step 5: Solve for x
    x = 64,065,506,447,368,736/273,096,999.20
  6. Step 6: Final answer
    x = 234,588,833.40

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1.5x scale

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.