Home / 828,018,410.10-1,240,972,606.35-440,027,114.10

Finding the Fourth Proportional to 828,018,410.10, 1,240,972,606.35 and 440,027,114.10

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Solution

The fourth proportional to 828,018,410.10, 1,240,972,606.35 and 440,027,114.10 is: 659,480,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,018,410.10 : 1,240,972,606.35 = 440,027,114.10 : x
  2. Step 2: Convert to fraction form
    828,018,410.10/1,240,972,606.35 = 440,027,114.10/x
  3. Step 3: Cross multiply
    828,018,410.10x = 1,240,972,606.35 × 440,027,114.10
  4. Step 4: Simplify right side
    828,018,410.10x = 546,061,594,649,345,792
  5. Step 5: Solve for x
    x = 546,061,594,649,345,792/828,018,410.10
  6. Step 6: Final answer
    x = 659,480,016.37

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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.