Home / 20,987,110,142,062-31,484,958,799,542-7,216,908,502,231.20

Finding the Fourth Proportional to 20,987,110,142,062, 31,484,958,799,542 and 7,216,908,502,231.20

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Solution

The fourth proportional to 20,987,110,142,062, 31,484,958,799,542 and 7,216,908,502,231.20 is: 10,826,839,203,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,987,110,142,062 : 31,484,958,799,542 = 7,216,908,502,231.20 : x
  2. Step 2: Convert to fraction form
    20,987,110,142,062/31,484,958,799,542 = 7,216,908,502,231.20/x
  3. Step 3: Cross multiply
    20,987,110,142,062x = 31,484,958,799,542 × 7,216,908,502,231.20
  4. Step 4: Simplify right side
    20,987,110,142,062x = 227,224,066,852,813,715,454,033,920
  5. Step 5: Solve for x
    x = 227,224,066,852,813,715,454,033,920/20,987,110,142,062
  6. Step 6: Final answer
    x = 10,826,839,203,431.60

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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.