Home / 528,834,948.24-792,720,290.16-218,169,148.80

Finding the Fourth Proportional to 528,834,948.24, 792,720,290.16 and 218,169,148.80

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Solution

The fourth proportional to 528,834,948.24, 792,720,290.16 and 218,169,148.80 is: 327,034,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,834,948.24 : 792,720,290.16 = 218,169,148.80 : x
  2. Step 2: Convert to fraction form
    528,834,948.24/792,720,290.16 = 218,169,148.80/x
  3. Step 3: Cross multiply
    528,834,948.24x = 792,720,290.16 × 218,169,148.80
  4. Step 4: Simplify right side
    528,834,948.24x = 172,947,110,940,696,224
  5. Step 5: Solve for x
    x = 172,947,110,940,696,224/528,834,948.24
  6. Step 6: Final answer
    x = 327,034,193.78

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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.