Home / 1,493,003,998.80-2,239,505,998.20-458,024,619.60

Finding the Fourth Proportional to 1,493,003,998.80, 2,239,505,998.20 and 458,024,619.60

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Solution

The fourth proportional to 1,493,003,998.80, 2,239,505,998.20 and 458,024,619.60 is: 687,036,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,003,998.80 : 2,239,505,998.20 = 458,024,619.60 : x
  2. Step 2: Convert to fraction form
    1,493,003,998.80/2,239,505,998.20 = 458,024,619.60/x
  3. Step 3: Cross multiply
    1,493,003,998.80x = 2,239,505,998.20 × 458,024,619.60
  4. Step 4: Simplify right side
    1,493,003,998.80x = 1,025,748,882,917,473,280
  5. Step 5: Solve for x
    x = 1,025,748,882,917,473,280/1,493,003,998.80
  6. Step 6: Final answer
    x = 687,036,929.40

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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.