Home / 480,714,078.96-720,970,215.12-135,586,995.12

Finding the Fourth Proportional to 480,714,078.96, 720,970,215.12 and 135,586,995.12

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Solution

The fourth proportional to 480,714,078.96, 720,970,215.12 and 135,586,995.12 is: 203,352,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,714,078.96 : 720,970,215.12 = 135,586,995.12 : x
  2. Step 2: Convert to fraction form
    480,714,078.96/720,970,215.12 = 135,586,995.12/x
  3. Step 3: Cross multiply
    480,714,078.96x = 720,970,215.12 × 135,586,995.12
  4. Step 4: Simplify right side
    480,714,078.96x = 97,754,185,039,140,800
  5. Step 5: Solve for x
    x = 97,754,185,039,140,800/480,714,078.96
  6. Step 6: Final answer
    x = 203,352,032.57

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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.