Home / 298,210,009.60-447,315,014.40-82,799,257.60

Finding the Fourth Proportional to 298,210,009.60, 447,315,014.40 and 82,799,257.60

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Solution

The fourth proportional to 298,210,009.60, 447,315,014.40 and 82,799,257.60 is: 124,198,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210,009.60 : 447,315,014.40 = 82,799,257.60 : x
  2. Step 2: Convert to fraction form
    298,210,009.60/447,315,014.40 = 82,799,257.60/x
  3. Step 3: Cross multiply
    298,210,009.60x = 447,315,014.40 × 82,799,257.60
  4. Step 4: Simplify right side
    298,210,009.60x = 37,037,351,105,653,304
  5. Step 5: Solve for x
    x = 37,037,351,105,653,304/298,210,009.60
  6. Step 6: Final answer
    x = 124,198,886.40

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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.