Home / 1,120,474,912.60-1,680,712,368.90-733,491,386.20

Finding the Fourth Proportional to 1,120,474,912.60, 1,680,712,368.90 and 733,491,386.20

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Solution

The fourth proportional to 1,120,474,912.60, 1,680,712,368.90 and 733,491,386.20 is: 1,100,237,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,474,912.60 : 1,680,712,368.90 = 733,491,386.20 : x
  2. Step 2: Convert to fraction form
    1,120,474,912.60/1,680,712,368.90 = 733,491,386.20/x
  3. Step 3: Cross multiply
    1,120,474,912.60x = 1,680,712,368.90 × 733,491,386.20
  4. Step 4: Simplify right side
    1,120,474,912.60x = 1,232,788,045,267,947,008
  5. Step 5: Solve for x
    x = 1,232,788,045,267,947,008/1,120,474,912.60
  6. Step 6: Final answer
    x = 1,100,237,079.30

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Double scale
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1.5x scale

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.