Home / 298,575,278.40-447,862,917.60-169,435,115.40

Finding the Fourth Proportional to 298,575,278.40, 447,862,917.60 and 169,435,115.40

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Solution

The fourth proportional to 298,575,278.40, 447,862,917.60 and 169,435,115.40 is: 254,152,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,575,278.40 : 447,862,917.60 = 169,435,115.40 : x
  2. Step 2: Convert to fraction form
    298,575,278.40/447,862,917.60 = 169,435,115.40/x
  3. Step 3: Cross multiply
    298,575,278.40x = 447,862,917.60 × 169,435,115.40
  4. Step 4: Simplify right side
    298,575,278.40x = 75,883,705,126,936,704
  5. Step 5: Solve for x
    x = 75,883,705,126,936,704/298,575,278.40
  6. Step 6: Final answer
    x = 254,152,673.10

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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.