Home / 579,714,234.80-869,273,482.80-170,717,241.20

Finding the Fourth Proportional to 579,714,234.80, 869,273,482.80 and 170,717,241.20

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Solution

The fourth proportional to 579,714,234.80, 869,273,482.80 and 170,717,241.20 is: 255,988,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,714,234.80 : 869,273,482.80 = 170,717,241.20 : x
  2. Step 2: Convert to fraction form
    579,714,234.80/869,273,482.80 = 170,717,241.20/x
  3. Step 3: Cross multiply
    579,714,234.80x = 869,273,482.80 × 170,717,241.20
  4. Step 4: Simplify right side
    579,714,234.80x = 148,399,970,831,931,648
  5. Step 5: Solve for x
    x = 148,399,970,831,931,648/579,714,234.80
  6. Step 6: Final answer
    x = 255,988,143.68

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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.