Home / 28,250,563,744.45-42,361,131,541.44-13,323,721,445.47

Finding the Fourth Proportional to 28,250,563,744.45, 42,361,131,541.44 and 13,323,721,445.47

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Solution

The fourth proportional to 28,250,563,744.45, 42,361,131,541.44 and 13,323,721,445.47 is: 19,978,642,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,563,744.45 : 42,361,131,541.44 = 13,323,721,445.47 : x
  2. Step 2: Convert to fraction form
    28,250,563,744.45/42,361,131,541.44 = 13,323,721,445.47/x
  3. Step 3: Cross multiply
    28,250,563,744.45x = 42,361,131,541.44 × 13,323,721,445.47
  4. Step 4: Simplify right side
    28,250,563,744.45x = 564,407,916,773,059,788,800
  5. Step 5: Solve for x
    x = 564,407,916,773,059,788,800/28,250,563,744.45
  6. Step 6: Final answer
    x = 19,978,642,616.78

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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.