Home / 2,078,422,065.12-2,868,222,211.92-1,243,046,501.76

Finding the Fourth Proportional to 2,078,422,065.12, 2,868,222,211.92 and 1,243,046,501.76

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Solution

The fourth proportional to 2,078,422,065.12, 2,868,222,211.92 and 1,243,046,501.76 is: 1,715,404,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,422,065.12 : 2,868,222,211.92 = 1,243,046,501.76 : x
  2. Step 2: Convert to fraction form
    2,078,422,065.12/2,868,222,211.92 = 1,243,046,501.76/x
  3. Step 3: Cross multiply
    2,078,422,065.12x = 2,868,222,211.92 × 1,243,046,501.76
  4. Step 4: Simplify right side
    2,078,422,065.12x = 3,565,333,586,797,485,568
  5. Step 5: Solve for x
    x = 3,565,333,586,797,485,568/2,078,422,065.12
  6. Step 6: Final answer
    x = 1,715,404,030.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.