Home / 20,987,110,142,028-31,484,958,799,492-7,216,908,502,198

Finding the Fourth Proportional to 20,987,110,142,028, 31,484,958,799,492 and 7,216,908,502,198

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Solution

The fourth proportional to 20,987,110,142,028, 31,484,958,799,492 and 7,216,908,502,198 is: 10,826,839,203,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,987,110,142,028 : 31,484,958,799,492 = 7,216,908,502,198 : x
  2. Step 2: Convert to fraction form
    20,987,110,142,028/31,484,958,799,492 = 7,216,908,502,198/x
  3. Step 3: Cross multiply
    20,987,110,142,028x = 31,484,958,799,492 × 7,216,908,502,198
  4. Step 4: Simplify right side
    20,987,110,142,028x = 227,224,066,851,407,543,161,323,520
  5. Step 5: Solve for x
    x = 227,224,066,851,407,543,161,323,520/20,987,110,142,028
  6. Step 6: Final answer
    x = 10,826,839,203,382.13

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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.