Home / 325,865,269.10-489,364,774.05-172,810,261.10

Finding the Fourth Proportional to 325,865,269.10, 489,364,774.05 and 172,810,261.10

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Solution

The fourth proportional to 325,865,269.10, 489,364,774.05 and 172,810,261.10 is: 259,516,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,269.10 : 489,364,774.05 = 172,810,261.10 : x
  2. Step 2: Convert to fraction form
    325,865,269.10/489,364,774.05 = 172,810,261.10/x
  3. Step 3: Cross multiply
    325,865,269.10x = 489,364,774.05 × 172,810,261.10
  4. Step 4: Simplify right side
    325,865,269.10x = 84,567,254,376,723,008
  5. Step 5: Solve for x
    x = 84,567,254,376,723,008/325,865,269.10
  6. Step 6: Final answer
    x = 259,516,009.82

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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.