Home / 848,281,664.10-1,272,422,496.15-787,059,660.90

Finding the Fourth Proportional to 848,281,664.10, 1,272,422,496.15 and 787,059,660.90

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Solution

The fourth proportional to 848,281,664.10, 1,272,422,496.15 and 787,059,660.90 is: 1,180,589,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,281,664.10 : 1,272,422,496.15 = 787,059,660.90 : x
  2. Step 2: Convert to fraction form
    848,281,664.10/1,272,422,496.15 = 787,059,660.90/x
  3. Step 3: Cross multiply
    848,281,664.10x = 1,272,422,496.15 × 787,059,660.90
  4. Step 4: Simplify right side
    848,281,664.10x = 1,001,472,418,341,350,656
  5. Step 5: Solve for x
    x = 1,001,472,418,341,350,656/848,281,664.10
  6. Step 6: Final answer
    x = 1,180,589,491.35

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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.