Home / 454,774,539.80-680,886,351.30-442,019,955.80

Finding the Fourth Proportional to 454,774,539.80, 680,886,351.30 and 442,019,955.80

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Solution

The fourth proportional to 454,774,539.80, 680,886,351.30 and 442,019,955.80 is: 661,790,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,774,539.80 : 680,886,351.30 = 442,019,955.80 : x
  2. Step 2: Convert to fraction form
    454,774,539.80/680,886,351.30 = 442,019,955.80/x
  3. Step 3: Cross multiply
    454,774,539.80x = 680,886,351.30 × 442,019,955.80
  4. Step 4: Simplify right side
    454,774,539.80x = 300,965,354,906,449,280
  5. Step 5: Solve for x
    x = 300,965,354,906,449,280/454,774,539.80
  6. Step 6: Final answer
    x = 661,790,246.74

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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.