Home / 893,507,248.80-1,340,386,844.40-280,027,504.80

Finding the Fourth Proportional to 893,507,248.80, 1,340,386,844.40 and 280,027,504.80

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Solution

The fourth proportional to 893,507,248.80, 1,340,386,844.40 and 280,027,504.80 is: 420,080,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,507,248.80 : 1,340,386,844.40 = 280,027,504.80 : x
  2. Step 2: Convert to fraction form
    893,507,248.80/1,340,386,844.40 = 280,027,504.80/x
  3. Step 3: Cross multiply
    893,507,248.80x = 1,340,386,844.40 × 280,027,504.80
  4. Step 4: Simplify right side
    893,507,248.80x = 375,345,183,504,077,888
  5. Step 5: Solve for x
    x = 375,345,183,504,077,888/893,507,248.80
  6. Step 6: Final answer
    x = 420,080,736.90

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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.