Home / 828,144,117.30-1,242,216,175.95-822,769,346.10

Finding the Fourth Proportional to 828,144,117.30, 1,242,216,175.95 and 822,769,346.10

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Solution

The fourth proportional to 828,144,117.30, 1,242,216,175.95 and 822,769,346.10 is: 1,234,154,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,144,117.30 : 1,242,216,175.95 = 822,769,346.10 : x
  2. Step 2: Convert to fraction form
    828,144,117.30/1,242,216,175.95 = 822,769,346.10/x
  3. Step 3: Cross multiply
    828,144,117.30x = 1,242,216,175.95 × 822,769,346.10
  4. Step 4: Simplify right side
    828,144,117.30x = 1,022,057,390,801,224,064
  5. Step 5: Solve for x
    x = 1,022,057,390,801,224,064/828,144,117.30
  6. Step 6: Final answer
    x = 1,234,154,019.15

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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.