Home / 28,250,563,748.95-42,361,131,548.16-13,323,721,449.97

Finding the Fourth Proportional to 28,250,563,748.95, 42,361,131,548.16 and 13,323,721,449.97

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Solution

The fourth proportional to 28,250,563,748.95, 42,361,131,548.16 and 13,323,721,449.97 is: 19,978,642,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,563,748.95 : 42,361,131,548.16 = 13,323,721,449.97 : x
  2. Step 2: Convert to fraction form
    28,250,563,748.95/42,361,131,548.16 = 13,323,721,449.97/x
  3. Step 3: Cross multiply
    28,250,563,748.95x = 42,361,131,548.16 × 13,323,721,449.97
  4. Step 4: Simplify right side
    28,250,563,748.95x = 564,407,917,053,220,290,560
  5. Step 5: Solve for x
    x = 564,407,917,053,220,290,560/28,250,563,748.95
  6. Step 6: Final answer
    x = 19,978,642,623.52

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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.