Home / 854,638,020.10-1,281,957,030.15-845,568,093.70

Finding the Fourth Proportional to 854,638,020.10, 1,281,957,030.15 and 845,568,093.70

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Solution

The fourth proportional to 854,638,020.10, 1,281,957,030.15 and 845,568,093.70 is: 1,268,352,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,638,020.10 : 1,281,957,030.15 = 845,568,093.70 : x
  2. Step 2: Convert to fraction form
    854,638,020.10/1,281,957,030.15 = 845,568,093.70/x
  3. Step 3: Cross multiply
    854,638,020.10x = 1,281,957,030.15 × 845,568,093.70
  4. Step 4: Simplify right side
    854,638,020.10x = 1,083,981,962,189,249,024
  5. Step 5: Solve for x
    x = 1,083,981,962,189,249,024/854,638,020.10
  6. Step 6: Final answer
    x = 1,268,352,140.55

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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.