Home / 558,722,658.29-838,056,128.50-208,943,011.04

Finding the Fourth Proportional to 558,722,658.29, 838,056,128.50 and 208,943,011.04

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Solution

The fourth proportional to 558,722,658.29, 838,056,128.50 and 208,943,011.04 is: 313,404,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,722,658.29 : 838,056,128.50 = 208,943,011.04 : x
  2. Step 2: Convert to fraction form
    558,722,658.29/838,056,128.50 = 208,943,011.04/x
  3. Step 3: Cross multiply
    558,722,658.29x = 838,056,128.50 × 208,943,011.04
  4. Step 4: Simplify right side
    558,722,658.29x = 175,105,970,908,270,432
  5. Step 5: Solve for x
    x = 175,105,970,908,270,432/558,722,658.29
  6. Step 6: Final answer
    x = 313,404,098.28

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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.