Home / 1,083,456,431.40-1,625,184,647.10-807,551,509.80

Finding the Fourth Proportional to 1,083,456,431.40, 1,625,184,647.10 and 807,551,509.80

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Solution

The fourth proportional to 1,083,456,431.40, 1,625,184,647.10 and 807,551,509.80 is: 1,211,327,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,456,431.40 : 1,625,184,647.10 = 807,551,509.80 : x
  2. Step 2: Convert to fraction form
    1,083,456,431.40/1,625,184,647.10 = 807,551,509.80/x
  3. Step 3: Cross multiply
    1,083,456,431.40x = 1,625,184,647.10 × 807,551,509.80
  4. Step 4: Simplify right side
    1,083,456,431.40x = 1,312,420,315,469,384,960
  5. Step 5: Solve for x
    x = 1,312,420,315,469,384,960/1,083,456,431.40
  6. Step 6: Final answer
    x = 1,211,327,264.70

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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.