Home / 1,103,119,633.36-1,522,396,100.28-633,311,617.60

Finding the Fourth Proportional to 1,103,119,633.36, 1,522,396,100.28 and 633,311,617.60

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Solution

The fourth proportional to 1,103,119,633.36, 1,522,396,100.28 and 633,311,617.60 is: 874,022,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,119,633.36 : 1,522,396,100.28 = 633,311,617.60 : x
  2. Step 2: Convert to fraction form
    1,103,119,633.36/1,522,396,100.28 = 633,311,617.60/x
  3. Step 3: Cross multiply
    1,103,119,633.36x = 1,522,396,100.28 × 633,311,617.60
  4. Step 4: Simplify right side
    1,103,119,633.36x = 964,151,136,896,258,688
  5. Step 5: Solve for x
    x = 964,151,136,896,258,688/1,103,119,633.36
  6. Step 6: Final answer
    x = 874,022,279.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.