Home / 1,283,240,549.71-1,770,826,139.67-726,311,639.35

Finding the Fourth Proportional to 1,283,240,549.71, 1,770,826,139.67 and 726,311,639.35

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Solution

The fourth proportional to 1,283,240,549.71, 1,770,826,139.67 and 726,311,639.35 is: 1,002,284,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,240,549.71 : 1,770,826,139.67 = 726,311,639.35 : x
  2. Step 2: Convert to fraction form
    1,283,240,549.71/1,770,826,139.67 = 726,311,639.35/x
  3. Step 3: Cross multiply
    1,283,240,549.71x = 1,770,826,139.67 × 726,311,639.35
  4. Step 4: Simplify right side
    1,283,240,549.71x = 1,286,171,636,507,549,952
  5. Step 5: Solve for x
    x = 1,286,171,636,507,549,952/1,283,240,549.71
  6. Step 6: Final answer
    x = 1,002,284,128.88

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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.