Home / 1,761,364,236.90-2,642,046,355.35-1,180,888,947.30

Finding the Fourth Proportional to 1,761,364,236.90, 2,642,046,355.35 and 1,180,888,947.30

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Solution

The fourth proportional to 1,761,364,236.90, 2,642,046,355.35 and 1,180,888,947.30 is: 1,771,333,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,364,236.90 : 2,642,046,355.35 = 1,180,888,947.30 : x
  2. Step 2: Convert to fraction form
    1,761,364,236.90/2,642,046,355.35 = 1,180,888,947.30/x
  3. Step 3: Cross multiply
    1,761,364,236.90x = 2,642,046,355.35 × 1,180,888,947.30
  4. Step 4: Simplify right side
    1,761,364,236.90x = 3,119,963,339,287,063,040
  5. Step 5: Solve for x
    x = 3,119,963,339,287,063,040/1,761,364,236.90
  6. Step 6: Final answer
    x = 1,771,333,420.95

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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.