Home / 848,751,318.30-1,273,126,977.45-808,574,378.70

Finding the Fourth Proportional to 848,751,318.30, 1,273,126,977.45 and 808,574,378.70

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Solution

The fourth proportional to 848,751,318.30, 1,273,126,977.45 and 808,574,378.70 is: 1,212,861,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,751,318.30 : 1,273,126,977.45 = 808,574,378.70 : x
  2. Step 2: Convert to fraction form
    848,751,318.30/1,273,126,977.45 = 808,574,378.70/x
  3. Step 3: Cross multiply
    848,751,318.30x = 1,273,126,977.45 × 808,574,378.70
  4. Step 4: Simplify right side
    848,751,318.30x = 1,029,417,854,797,842,816
  5. Step 5: Solve for x
    x = 1,029,417,854,797,842,816/848,751,318.30
  6. Step 6: Final answer
    x = 1,212,861,568.05

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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.