Home / 295,138,828.80-442,708,243.20-272,967,897.60

Finding the Fourth Proportional to 295,138,828.80, 442,708,243.20 and 272,967,897.60

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Solution

The fourth proportional to 295,138,828.80, 442,708,243.20 and 272,967,897.60 is: 409,451,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,138,828.80 : 442,708,243.20 = 272,967,897.60 : x
  2. Step 2: Convert to fraction form
    295,138,828.80/442,708,243.20 = 272,967,897.60/x
  3. Step 3: Cross multiply
    295,138,828.80x = 442,708,243.20 × 272,967,897.60
  4. Step 4: Simplify right side
    295,138,828.80x = 120,845,138,396,493,504
  5. Step 5: Solve for x
    x = 120,845,138,396,493,504/295,138,828.80
  6. Step 6: Final answer
    x = 409,451,846.40

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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.