Home / 812,516,075.23-1,121,615,425.32-548,555,604.46

Finding the Fourth Proportional to 812,516,075.23, 1,121,615,425.32 and 548,555,604.46

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Solution

The fourth proportional to 812,516,075.23, 1,121,615,425.32 and 548,555,604.46 is: 757,238,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,516,075.23 : 1,121,615,425.32 = 548,555,604.46 : x
  2. Step 2: Convert to fraction form
    812,516,075.23/1,121,615,425.32 = 548,555,604.46/x
  3. Step 3: Cross multiply
    812,516,075.23x = 1,121,615,425.32 × 548,555,604.46
  4. Step 4: Simplify right side
    812,516,075.23x = 615,268,427,608,072,576
  5. Step 5: Solve for x
    x = 615,268,427,608,072,576/812,516,075.23
  6. Step 6: Final answer
    x = 757,238,467.48

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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.