Home / 522,051,169-720,416,225.46-287,101,823.80

Finding the Fourth Proportional to 522,051,169, 720,416,225.46 and 287,101,823.80

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Solution

The fourth proportional to 522,051,169, 720,416,225.46 and 287,101,823.80 is: 396,192,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,051,169 : 720,416,225.46 = 287,101,823.80 : x
  2. Step 2: Convert to fraction form
    522,051,169/720,416,225.46 = 287,101,823.80/x
  3. Step 3: Cross multiply
    522,051,169x = 720,416,225.46 × 287,101,823.80
  4. Step 4: Simplify right side
    522,051,169x = 206,832,812,224,678,016
  5. Step 5: Solve for x
    x = 206,832,812,224,678,016/522,051,169
  6. Step 6: Final answer
    x = 396,192,604.30

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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.