Home / 848,281,458.60-1,272,422,187.90-787,059,455.40

Finding the Fourth Proportional to 848,281,458.60, 1,272,422,187.90 and 787,059,455.40

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Solution

The fourth proportional to 848,281,458.60, 1,272,422,187.90 and 787,059,455.40 is: 1,180,589,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,281,458.60 : 1,272,422,187.90 = 787,059,455.40 : x
  2. Step 2: Convert to fraction form
    848,281,458.60/1,272,422,187.90 = 787,059,455.40/x
  3. Step 3: Cross multiply
    848,281,458.60x = 1,272,422,187.90 × 787,059,455.40
  4. Step 4: Simplify right side
    848,281,458.60x = 1,001,471,914,247,450,496
  5. Step 5: Solve for x
    x = 1,001,471,914,247,450,496/848,281,458.60
  6. Step 6: Final answer
    x = 1,180,589,183.10

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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.