Home / 522,051,168-720,416,224.08-287,101,822.80

Finding the Fourth Proportional to 522,051,168, 720,416,224.08 and 287,101,822.80

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Solution

The fourth proportional to 522,051,168, 720,416,224.08 and 287,101,822.80 is: 396,192,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,051,168 : 720,416,224.08 = 287,101,822.80 : x
  2. Step 2: Convert to fraction form
    522,051,168/720,416,224.08 = 287,101,822.80/x
  3. Step 3: Cross multiply
    522,051,168x = 720,416,224.08 × 287,101,822.80
  4. Step 4: Simplify right side
    522,051,168x = 206,832,811,108,061,280
  5. Step 5: Solve for x
    x = 206,832,811,108,061,280/522,051,168
  6. Step 6: Final answer
    x = 396,192,602.92

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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.