Home / 28,250,563,753.96-42,361,131,555.66-13,323,721,454.98

Finding the Fourth Proportional to 28,250,563,753.96, 42,361,131,555.66 and 13,323,721,454.98

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Solution

The fourth proportional to 28,250,563,753.96, 42,361,131,555.66 and 13,323,721,454.98 is: 19,978,642,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,563,753.96 : 42,361,131,555.66 = 13,323,721,454.98 : x
  2. Step 2: Convert to fraction form
    28,250,563,753.96/42,361,131,555.66 = 13,323,721,454.98/x
  3. Step 3: Cross multiply
    28,250,563,753.96x = 42,361,131,555.66 × 13,323,721,454.98
  4. Step 4: Simplify right side
    28,250,563,753.96x = 564,407,917,365,377,499,136
  5. Step 5: Solve for x
    x = 564,407,917,365,377,499,136/28,250,563,753.96
  6. Step 6: Final answer
    x = 19,978,642,631.03

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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.