Home / 13,170,073,415.45-19,758,990,846.13-5,305,438,679.45

Finding the Fourth Proportional to 13,170,073,415.45, 19,758,990,846.13 and 5,305,438,679.45

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Solution

The fourth proportional to 13,170,073,415.45, 19,758,990,846.13 and 5,305,438,679.45 is: 7,959,721,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,073,415.45 : 19,758,990,846.13 = 5,305,438,679.45 : x
  2. Step 2: Convert to fraction form
    13,170,073,415.45/19,758,990,846.13 = 5,305,438,679.45/x
  3. Step 3: Cross multiply
    13,170,073,415.45x = 19,758,990,846.13 × 5,305,438,679.45
  4. Step 4: Simplify right side
    13,170,073,415.45x = 104,830,114,301,841,866,752
  5. Step 5: Solve for x
    x = 104,830,114,301,841,866,752/13,170,073,415.45
  6. Step 6: Final answer
    x = 7,959,721,331.46

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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.