Home / 822,082,875.76-1,233,062,293.36-261,822,064.83

Finding the Fourth Proportional to 822,082,875.76, 1,233,062,293.36 and 261,822,064.83

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Solution

The fourth proportional to 822,082,875.76, 1,233,062,293.36 and 261,822,064.83 is: 392,713,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,082,875.76 : 1,233,062,293.36 = 261,822,064.83 : x
  2. Step 2: Convert to fraction form
    822,082,875.76/1,233,062,293.36 = 261,822,064.83/x
  3. Step 3: Cross multiply
    822,082,875.76x = 1,233,062,293.36 × 261,822,064.83
  4. Step 4: Simplify right side
    822,082,875.76x = 322,842,915,711,530,368
  5. Step 5: Solve for x
    x = 322,842,915,711,530,368/822,082,875.76
  6. Step 6: Final answer
    x = 392,713,344.64

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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.