Home / 31,640,454,350.40-43,663,870,242.36-17,172,549,527.25

Finding the Fourth Proportional to 31,640,454,350.40, 43,663,870,242.36 and 17,172,549,527.25

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Solution

The fourth proportional to 31,640,454,350.40, 43,663,870,242.36 and 17,172,549,527.25 is: 23,698,141,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640,454,350.40 : 43,663,870,242.36 = 17,172,549,527.25 : x
  2. Step 2: Convert to fraction form
    31,640,454,350.40/43,663,870,242.36 = 17,172,549,527.25/x
  3. Step 3: Cross multiply
    31,640,454,350.40x = 43,663,870,242.36 × 17,172,549,527.25
  4. Step 4: Simplify right side
    31,640,454,350.40x = 749,819,974,288,344,612,864
  5. Step 5: Solve for x
    x = 749,819,974,288,344,612,864/31,640,454,350.40
  6. Step 6: Final answer
    x = 23,698,141,815.05

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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.