Home / 1,298,472,639.48-1,943,111,278.26-807,417,150.84

Finding the Fourth Proportional to 1,298,472,639.48, 1,943,111,278.26 and 807,417,150.84

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Solution

The fourth proportional to 1,298,472,639.48, 1,943,111,278.26 and 807,417,150.84 is: 1,208,266,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,472,639.48 : 1,943,111,278.26 = 807,417,150.84 : x
  2. Step 2: Convert to fraction form
    1,298,472,639.48/1,943,111,278.26 = 807,417,150.84/x
  3. Step 3: Cross multiply
    1,298,472,639.48x = 1,943,111,278.26 × 807,417,150.84
  4. Step 4: Simplify right side
    1,298,472,639.48x = 1,568,901,372,057,759,744
  5. Step 5: Solve for x
    x = 1,568,901,372,057,759,744/1,298,472,639.48
  6. Step 6: Final answer
    x = 1,208,266,793.12

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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.