Home / 1,083,492,506.70-1,625,238,760.05-779,649,972.30

Finding the Fourth Proportional to 1,083,492,506.70, 1,625,238,760.05 and 779,649,972.30

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Solution

The fourth proportional to 1,083,492,506.70, 1,625,238,760.05 and 779,649,972.30 is: 1,169,474,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,492,506.70 : 1,625,238,760.05 = 779,649,972.30 : x
  2. Step 2: Convert to fraction form
    1,083,492,506.70/1,625,238,760.05 = 779,649,972.30/x
  3. Step 3: Cross multiply
    1,083,492,506.70x = 1,625,238,760.05 × 779,649,972.30
  4. Step 4: Simplify right side
    1,083,492,506.70x = 1,267,117,354,253,868,800
  5. Step 5: Solve for x
    x = 1,267,117,354,253,868,800/1,083,492,506.70
  6. Step 6: Final answer
    x = 1,169,474,958.45

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Double scale
Find fourth proportional to 1,083,492,507.70, 1,625,238,761.55 and 779,649,973.30
Similar ratio
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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.