Home / 579,702,406.80-869,255,740.80-170,705,413.20

Finding the Fourth Proportional to 579,702,406.80, 869,255,740.80 and 170,705,413.20

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Solution

The fourth proportional to 579,702,406.80, 869,255,740.80 and 170,705,413.20 is: 255,970,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,702,406.80 : 869,255,740.80 = 170,705,413.20 : x
  2. Step 2: Convert to fraction form
    579,702,406.80/869,255,740.80 = 170,705,413.20/x
  3. Step 3: Cross multiply
    579,702,406.80x = 869,255,740.80 × 170,705,413.20
  4. Step 4: Simplify right side
    579,702,406.80x = 148,386,660,409,736,096
  5. Step 5: Solve for x
    x = 148,386,660,409,736,096/579,702,406.80
  6. Step 6: Final answer
    x = 255,970,405.97

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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.