Home / 528,793,617.92-729,741,805.56-290,664,801.14

Finding the Fourth Proportional to 528,793,617.92, 729,741,805.56 and 290,664,801.14

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Solution

The fourth proportional to 528,793,617.92, 729,741,805.56 and 290,664,801.14 is: 401,121,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,793,617.92 : 729,741,805.56 = 290,664,801.14 : x
  2. Step 2: Convert to fraction form
    528,793,617.92/729,741,805.56 = 290,664,801.14/x
  3. Step 3: Cross multiply
    528,793,617.92x = 729,741,805.56 × 290,664,801.14
  4. Step 4: Simplify right side
    528,793,617.92x = 212,110,256,792,993,216
  5. Step 5: Solve for x
    x = 212,110,256,792,993,216/528,793,617.92
  6. Step 6: Final answer
    x = 401,121,060.48

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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.