Home / 1,449,251,998.80-2,173,877,998.20-358,735,066.80

Finding the Fourth Proportional to 1,449,251,998.80, 2,173,877,998.20 and 358,735,066.80

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Solution

The fourth proportional to 1,449,251,998.80, 2,173,877,998.20 and 358,735,066.80 is: 538,102,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,251,998.80 : 2,173,877,998.20 = 358,735,066.80 : x
  2. Step 2: Convert to fraction form
    1,449,251,998.80/2,173,877,998.20 = 358,735,066.80/x
  3. Step 3: Cross multiply
    1,449,251,998.80x = 2,173,877,998.20 × 358,735,066.80
  4. Step 4: Simplify right side
    1,449,251,998.80x = 779,846,268,899,327,232
  5. Step 5: Solve for x
    x = 779,846,268,899,327,232/1,449,251,998.80
  6. Step 6: Final answer
    x = 538,102,600.20

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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.