Home / 828,144,042.30-1,242,216,063.45-822,769,271.10

Finding the Fourth Proportional to 828,144,042.30, 1,242,216,063.45 and 822,769,271.10

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Solution

The fourth proportional to 828,144,042.30, 1,242,216,063.45 and 822,769,271.10 is: 1,234,153,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,144,042.30 : 1,242,216,063.45 = 822,769,271.10 : x
  2. Step 2: Convert to fraction form
    828,144,042.30/1,242,216,063.45 = 822,769,271.10/x
  3. Step 3: Cross multiply
    828,144,042.30x = 1,242,216,063.45 × 822,769,271.10
  4. Step 4: Simplify right side
    828,144,042.30x = 1,022,057,205,073,467,904
  5. Step 5: Solve for x
    x = 1,022,057,205,073,467,904/828,144,042.30
  6. Step 6: Final answer
    x = 1,234,153,906.65

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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.