Home / 578,215,569.68-867,323,332.65-169,271,720.18

Finding the Fourth Proportional to 578,215,569.68, 867,323,332.65 and 169,271,720.18

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Solution

The fourth proportional to 578,215,569.68, 867,323,332.65 and 169,271,720.18 is: 253,907,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,215,569.68 : 867,323,332.65 = 169,271,720.18 : x
  2. Step 2: Convert to fraction form
    578,215,569.68/867,323,332.65 = 169,271,720.18/x
  3. Step 3: Cross multiply
    578,215,569.68x = 867,323,332.65 × 169,271,720.18
  4. Step 4: Simplify right side
    578,215,569.68x = 146,813,312,469,915,872
  5. Step 5: Solve for x
    x = 146,813,312,469,915,872/578,215,569.68
  6. Step 6: Final answer
    x = 253,907,573.87

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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.