Home / 826,442,003.56-1,140,541,545.70-455,163,940.84

Finding the Fourth Proportional to 826,442,003.56, 1,140,541,545.70 and 455,163,940.84

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Solution

The fourth proportional to 826,442,003.56, 1,140,541,545.70 and 455,163,940.84 is: 628,154,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,442,003.56 : 1,140,541,545.70 = 455,163,940.84 : x
  2. Step 2: Convert to fraction form
    826,442,003.56/1,140,541,545.70 = 455,163,940.84/x
  3. Step 3: Cross multiply
    826,442,003.56x = 1,140,541,545.70 × 455,163,940.84
  4. Step 4: Simplify right side
    826,442,003.56x = 519,133,384,632,556,928
  5. Step 5: Solve for x
    x = 519,133,384,632,556,928/826,442,003.56
  6. Step 6: Final answer
    x = 628,154,646.54

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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.