Home / 528,301,641.15-792,263,874.29-217,318,367.07

Finding the Fourth Proportional to 528,301,641.15, 792,263,874.29 and 217,318,367.07

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Solution

The fourth proportional to 528,301,641.15, 792,263,874.29 and 217,318,367.07 is: 325,899,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,301,641.15 : 792,263,874.29 = 217,318,367.07 : x
  2. Step 2: Convert to fraction form
    528,301,641.15/792,263,874.29 = 217,318,367.07/x
  3. Step 3: Cross multiply
    528,301,641.15x = 792,263,874.29 × 217,318,367.07
  4. Step 4: Simplify right side
    528,301,641.15x = 172,173,491,448,167,936
  5. Step 5: Solve for x
    x = 172,173,491,448,167,936/528,301,641.15
  6. Step 6: Final answer
    x = 325,899,974.63

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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.