Home / 835,091,390.95-1,253,154,361.99-485,501,991.54

Finding the Fourth Proportional to 835,091,390.95, 1,253,154,361.99 and 485,501,991.54

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Solution

The fourth proportional to 835,091,390.95, 1,253,154,361.99 and 485,501,991.54 is: 728,553,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,091,390.95 : 1,253,154,361.99 = 485,501,991.54 : x
  2. Step 2: Convert to fraction form
    835,091,390.95/1,253,154,361.99 = 485,501,991.54/x
  3. Step 3: Cross multiply
    835,091,390.95x = 1,253,154,361.99 × 485,501,991.54
  4. Step 4: Simplify right side
    835,091,390.95x = 608,408,938,455,247,616
  5. Step 5: Solve for x
    x = 608,408,938,455,247,616/835,091,390.95
  6. Step 6: Final answer
    x = 728,553,718.85

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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.