Home / 612,340,175.44-845,043,382.92-347,980,514.32

Finding the Fourth Proportional to 612,340,175.44, 845,043,382.92 and 347,980,514.32

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Solution

The fourth proportional to 612,340,175.44, 845,043,382.92 and 347,980,514.32 is: 480,221,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,340,175.44 : 845,043,382.92 = 347,980,514.32 : x
  2. Step 2: Convert to fraction form
    612,340,175.44/845,043,382.92 = 347,980,514.32/x
  3. Step 3: Cross multiply
    612,340,175.44x = 845,043,382.92 × 347,980,514.32
  4. Step 4: Simplify right side
    612,340,175.44x = 294,058,631,011,214,272
  5. Step 5: Solve for x
    x = 294,058,631,011,214,272/612,340,175.44
  6. Step 6: Final answer
    x = 480,221,032.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.