Home / 579,702,405.30-869,255,738.55-170,705,411.70

Finding the Fourth Proportional to 579,702,405.30, 869,255,738.55 and 170,705,411.70

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Solution

The fourth proportional to 579,702,405.30, 869,255,738.55 and 170,705,411.70 is: 255,970,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,702,405.30 : 869,255,738.55 = 170,705,411.70 : x
  2. Step 2: Convert to fraction form
    579,702,405.30/869,255,738.55 = 170,705,411.70/x
  3. Step 3: Cross multiply
    579,702,405.30x = 869,255,738.55 × 170,705,411.70
  4. Step 4: Simplify right side
    579,702,405.30x = 148,386,658,721,765,280
  5. Step 5: Solve for x
    x = 148,386,658,721,765,280/579,702,405.30
  6. Step 6: Final answer
    x = 255,970,403.72

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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.