Home / 28,210,283,287.50-38,929,015,985.20-15,349,973,750.66

Finding the Fourth Proportional to 28,210,283,287.50, 38,929,015,985.20 and 15,349,973,750.66

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Solution

The fourth proportional to 28,210,283,287.50, 38,929,015,985.20 and 15,349,973,750.66 is: 21,182,324,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,283,287.50 : 38,929,015,985.20 = 15,349,973,750.66 : x
  2. Step 2: Convert to fraction form
    28,210,283,287.50/38,929,015,985.20 = 15,349,973,750.66/x
  3. Step 3: Cross multiply
    28,210,283,287.50x = 38,929,015,985.20 × 15,349,973,750.66
  4. Step 4: Simplify right side
    28,210,283,287.50x = 597,559,373,511,611,121,664
  5. Step 5: Solve for x
    x = 597,559,373,511,611,121,664/28,210,283,287.50
  6. Step 6: Final answer
    x = 21,182,324,453.17

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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.