Home / 20,987,110,142,031-31,484,958,799,497-7,216,908,502,202

Finding the Fourth Proportional to 20,987,110,142,031, 31,484,958,799,497 and 7,216,908,502,202

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Solution

The fourth proportional to 20,987,110,142,031, 31,484,958,799,497 and 7,216,908,502,202 is: 10,826,839,203,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,987,110,142,031 : 31,484,958,799,497 = 7,216,908,502,202 : x
  2. Step 2: Convert to fraction form
    20,987,110,142,031/31,484,958,799,497 = 7,216,908,502,202/x
  3. Step 3: Cross multiply
    20,987,110,142,031x = 31,484,958,799,497 × 7,216,908,502,202
  4. Step 4: Simplify right side
    20,987,110,142,031x = 227,224,066,851,569,583,687,467,008
  5. Step 5: Solve for x
    x = 227,224,066,851,569,583,687,467,008/20,987,110,142,031
  6. Step 6: Final answer
    x = 10,826,839,203,388.31

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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.