Home / 525,590,179.73-725,319,147.62-290,656,647.35

Finding the Fourth Proportional to 525,590,179.73, 725,319,147.62 and 290,656,647.35

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Solution

The fourth proportional to 525,590,179.73, 725,319,147.62 and 290,656,647.35 is: 401,108,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,179.73 : 725,319,147.62 = 290,656,647.35 : x
  2. Step 2: Convert to fraction form
    525,590,179.73/725,319,147.62 = 290,656,647.35/x
  3. Step 3: Cross multiply
    525,590,179.73x = 725,319,147.62 × 290,656,647.35
  4. Step 4: Simplify right side
    525,590,179.73x = 210,818,831,704,535,680
  5. Step 5: Solve for x
    x = 210,818,831,704,535,680/525,590,179.73
  6. Step 6: Final answer
    x = 401,108,772.26

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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.