Home / 611,104,403.76-843,344,447.40-343,227,442.92

Finding the Fourth Proportional to 611,104,403.76, 843,344,447.40 and 343,227,442.92

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Solution

The fourth proportional to 611,104,403.76, 843,344,447.40 and 343,227,442.92 is: 473,665,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,104,403.76 : 843,344,447.40 = 343,227,442.92 : x
  2. Step 2: Convert to fraction form
    611,104,403.76/843,344,447.40 = 343,227,442.92/x
  3. Step 3: Cross multiply
    611,104,403.76x = 843,344,447.40 × 343,227,442.92
  4. Step 4: Simplify right side
    611,104,403.76x = 289,458,958,181,882,432
  5. Step 5: Solve for x
    x = 289,458,958,181,882,432/611,104,403.76
  6. Step 6: Final answer
    x = 473,665,312.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.