Home / 626,189,579.18-864,158,494.46-368,419,192.52

Finding the Fourth Proportional to 626,189,579.18, 864,158,494.46 and 368,419,192.52

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Solution

The fourth proportional to 626,189,579.18, 864,158,494.46 and 368,419,192.52 is: 508,428,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,189,579.18 : 864,158,494.46 = 368,419,192.52 : x
  2. Step 2: Convert to fraction form
    626,189,579.18/864,158,494.46 = 368,419,192.52/x
  3. Step 3: Cross multiply
    626,189,579.18x = 864,158,494.46 × 368,419,192.52
  4. Step 4: Simplify right side
    626,189,579.18x = 318,372,574,732,089,216
  5. Step 5: Solve for x
    x = 318,372,574,732,089,216/626,189,579.18
  6. Step 6: Final answer
    x = 508,428,414.21

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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.