Home / 528,332,541.33-792,227,247.72-279,471,628.20

Finding the Fourth Proportional to 528,332,541.33, 792,227,247.72 and 279,471,628.20

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Solution

The fourth proportional to 528,332,541.33, 792,227,247.72 and 279,471,628.20 is: 419,063,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,332,541.33 : 792,227,247.72 = 279,471,628.20 : x
  2. Step 2: Convert to fraction form
    528,332,541.33/792,227,247.72 = 279,471,628.20/x
  3. Step 3: Cross multiply
    528,332,541.33x = 792,227,247.72 × 279,471,628.20
  4. Step 4: Simplify right side
    528,332,541.33x = 221,405,038,824,713,152
  5. Step 5: Solve for x
    x = 221,405,038,824,713,152/528,332,541.33
  6. Step 6: Final answer
    x = 419,063,793.17

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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.