Home / 3,989,412,053.60-5,984,118,080.40-1,081,366,901.60

Finding the Fourth Proportional to 3,989,412,053.60, 5,984,118,080.40 and 1,081,366,901.60

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Solution

The fourth proportional to 3,989,412,053.60, 5,984,118,080.40 and 1,081,366,901.60 is: 1,622,050,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,412,053.60 : 5,984,118,080.40 = 1,081,366,901.60 : x
  2. Step 2: Convert to fraction form
    3,989,412,053.60/5,984,118,080.40 = 1,081,366,901.60/x
  3. Step 3: Cross multiply
    3,989,412,053.60x = 5,984,118,080.40 × 1,081,366,901.60
  4. Step 4: Simplify right side
    3,989,412,053.60x = 6,471,027,227,410,686,976
  5. Step 5: Solve for x
    x = 6,471,027,227,410,686,976/3,989,412,053.60
  6. Step 6: Final answer
    x = 1,622,050,352.40

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Double scale
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Similar ratio
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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.