Home / 326,592,001.60-489,929,992.80-162,913,422.40

Finding the Fourth Proportional to 326,592,001.60, 489,929,992.80 and 162,913,422.40

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Solution

The fourth proportional to 326,592,001.60, 489,929,992.80 and 162,913,422.40 is: 244,391,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,592,001.60 : 489,929,992.80 = 162,913,422.40 : x
  2. Step 2: Convert to fraction form
    326,592,001.60/489,929,992.80 = 162,913,422.40/x
  3. Step 3: Cross multiply
    326,592,001.60x = 489,929,992.80 × 162,913,422.40
  4. Step 4: Simplify right side
    326,592,001.60x = 79,816,171,863,455,360
  5. Step 5: Solve for x
    x = 79,816,171,863,455,360/326,592,001.60
  6. Step 6: Final answer
    x = 244,391,079.61

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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.