Home / 15,133,645,754.75-20,885,065,616.18-8,703,470,757.71

Finding the Fourth Proportional to 15,133,645,754.75, 20,885,065,616.18 and 8,703,470,757.71

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Solution

The fourth proportional to 15,133,645,754.75, 20,885,065,616.18 and 8,703,470,757.71 is: 12,011,154,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,645,754.75 : 20,885,065,616.18 = 8,703,470,757.71 : x
  2. Step 2: Convert to fraction form
    15,133,645,754.75/20,885,065,616.18 = 8,703,470,757.71/x
  3. Step 3: Cross multiply
    15,133,645,754.75x = 20,885,065,616.18 × 8,703,470,757.71
  4. Step 4: Simplify right side
    15,133,645,754.75x = 181,772,557,863,277,199,360
  5. Step 5: Solve for x
    x = 181,772,557,863,277,199,360/15,133,645,754.75
  6. Step 6: Final answer
    x = 12,011,154,536.65

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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.