Home / 1,121,640,258.93-1,680,956,484.48-872,945,813.94

Finding the Fourth Proportional to 1,121,640,258.93, 1,680,956,484.48 and 872,945,813.94

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Solution

The fourth proportional to 1,121,640,258.93, 1,680,956,484.48 and 872,945,813.94 is: 1,308,248,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,640,258.93 : 1,680,956,484.48 = 872,945,813.94 : x
  2. Step 2: Convert to fraction form
    1,121,640,258.93/1,680,956,484.48 = 872,945,813.94/x
  3. Step 3: Cross multiply
    1,121,640,258.93x = 1,680,956,484.48 × 872,945,813.94
  4. Step 4: Simplify right side
    1,121,640,258.93x = 1,467,383,926,542,114,816
  5. Step 5: Solve for x
    x = 1,467,383,926,542,114,816/1,121,640,258.93
  6. Step 6: Final answer
    x = 1,308,248,268.43

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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.