Home / 20,987,110,142,029-31,484,958,799,493-7,216,908,502,198.50

Finding the Fourth Proportional to 20,987,110,142,029, 31,484,958,799,493 and 7,216,908,502,198.50

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Solution

The fourth proportional to 20,987,110,142,029, 31,484,958,799,493 and 7,216,908,502,198.50 is: 10,826,839,203,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,987,110,142,029 : 31,484,958,799,493 = 7,216,908,502,198.50 : x
  2. Step 2: Convert to fraction form
    20,987,110,142,029/31,484,958,799,493 = 7,216,908,502,198.50/x
  3. Step 3: Cross multiply
    20,987,110,142,029x = 31,484,958,799,493 × 7,216,908,502,198.50
  4. Step 4: Simplify right side
    20,987,110,142,029x = 227,224,066,851,430,495,466,553,344
  5. Step 5: Solve for x
    x = 227,224,066,851,430,495,466,553,344/20,987,110,142,029
  6. Step 6: Final answer
    x = 10,826,839,203,382.71

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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.