Home / 525,906,802.48-725,766,765.24-287,766,284.08

Finding the Fourth Proportional to 525,906,802.48, 725,766,765.24 and 287,766,284.08

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Solution

The fourth proportional to 525,906,802.48, 725,766,765.24 and 287,766,284.08 is: 397,125,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,906,802.48 : 725,766,765.24 = 287,766,284.08 : x
  2. Step 2: Convert to fraction form
    525,906,802.48/725,766,765.24 = 287,766,284.08/x
  3. Step 3: Cross multiply
    525,906,802.48x = 725,766,765.24 × 287,766,284.08
  4. Step 4: Simplify right side
    525,906,802.48x = 208,851,205,141,876,512
  5. Step 5: Solve for x
    x = 208,851,205,141,876,512/525,906,802.48
  6. Step 6: Final answer
    x = 397,125,886.48

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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.