Home / 893,507,200.80-1,340,386,772.40-280,027,456.80

Finding the Fourth Proportional to 893,507,200.80, 1,340,386,772.40 and 280,027,456.80

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Solution

The fourth proportional to 893,507,200.80, 1,340,386,772.40 and 280,027,456.80 is: 420,080,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,507,200.80 : 1,340,386,772.40 = 280,027,456.80 : x
  2. Step 2: Convert to fraction form
    893,507,200.80/1,340,386,772.40 = 280,027,456.80/x
  3. Step 3: Cross multiply
    893,507,200.80x = 1,340,386,772.40 × 280,027,456.80
  4. Step 4: Simplify right side
    893,507,200.80x = 375,345,099,003,532,480
  5. Step 5: Solve for x
    x = 375,345,099,003,532,480/893,507,200.80
  6. Step 6: Final answer
    x = 420,080,664.90

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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.