Home / 528,834,945.24-792,720,285.66-218,169,145.80

Finding the Fourth Proportional to 528,834,945.24, 792,720,285.66 and 218,169,145.80

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Solution

The fourth proportional to 528,834,945.24, 792,720,285.66 and 218,169,145.80 is: 327,034,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,834,945.24 : 792,720,285.66 = 218,169,145.80 : x
  2. Step 2: Convert to fraction form
    528,834,945.24/792,720,285.66 = 218,169,145.80/x
  3. Step 3: Cross multiply
    528,834,945.24x = 792,720,285.66 × 218,169,145.80
  4. Step 4: Simplify right side
    528,834,945.24x = 172,947,107,580,774,176
  5. Step 5: Solve for x
    x = 172,947,107,580,774,176/528,834,945.24
  6. Step 6: Final answer
    x = 327,034,189.28

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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.