Home / 2,185,432,859.30-3,278,149,288.95-1,488,075,979.10

Finding the Fourth Proportional to 2,185,432,859.30, 3,278,149,288.95 and 1,488,075,979.10

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Solution

The fourth proportional to 2,185,432,859.30, 3,278,149,288.95 and 1,488,075,979.10 is: 2,232,113,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,432,859.30 : 3,278,149,288.95 = 1,488,075,979.10 : x
  2. Step 2: Convert to fraction form
    2,185,432,859.30/3,278,149,288.95 = 1,488,075,979.10/x
  3. Step 3: Cross multiply
    2,185,432,859.30x = 3,278,149,288.95 × 1,488,075,979.10
  4. Step 4: Simplify right side
    2,185,432,859.30x = 4,878,135,212,790,239,232
  5. Step 5: Solve for x
    x = 4,878,135,212,790,239,232/2,185,432,859.30
  6. Step 6: Final answer
    x = 2,232,113,968.65

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Double scale
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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.