Home / 454,774,541.30-680,886,353.55-442,019,957.30

Finding the Fourth Proportional to 454,774,541.30, 680,886,353.55 and 442,019,957.30

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Solution

The fourth proportional to 454,774,541.30, 680,886,353.55 and 442,019,957.30 is: 661,790,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,774,541.30 : 680,886,353.55 = 442,019,957.30 : x
  2. Step 2: Convert to fraction form
    454,774,541.30/680,886,353.55 = 442,019,957.30/x
  3. Step 3: Cross multiply
    454,774,541.30x = 680,886,353.55 × 442,019,957.30
  4. Step 4: Simplify right side
    454,774,541.30x = 300,965,356,922,323,712
  5. Step 5: Solve for x
    x = 300,965,356,922,323,712/454,774,541.30
  6. Step 6: Final answer
    x = 661,790,248.99

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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.