Home / 615,836,356.76-923,892,403.62-206,881,353.56

Finding the Fourth Proportional to 615,836,356.76, 923,892,403.62 and 206,881,353.56

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Solution

The fourth proportional to 615,836,356.76, 923,892,403.62 and 206,881,353.56 is: 310,368,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,836,356.76 : 923,892,403.62 = 206,881,353.56 : x
  2. Step 2: Convert to fraction form
    615,836,356.76/923,892,403.62 = 206,881,353.56/x
  3. Step 3: Cross multiply
    615,836,356.76x = 923,892,403.62 × 206,881,353.56
  4. Step 4: Simplify right side
    615,836,356.76x = 191,136,111,004,707,456
  5. Step 5: Solve for x
    x = 191,136,111,004,707,456/615,836,356.76
  6. Step 6: Final answer
    x = 310,368,345.27

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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.