Home / 525,590,183.23-725,319,152.45-290,656,650.85

Finding the Fourth Proportional to 525,590,183.23, 725,319,152.45 and 290,656,650.85

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Solution

The fourth proportional to 525,590,183.23, 725,319,152.45 and 290,656,650.85 is: 401,108,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,183.23 : 725,319,152.45 = 290,656,650.85 : x
  2. Step 2: Convert to fraction form
    525,590,183.23/725,319,152.45 = 290,656,650.85/x
  3. Step 3: Cross multiply
    525,590,183.23x = 725,319,152.45 × 290,656,650.85
  4. Step 4: Simplify right side
    525,590,183.23x = 210,818,835,648,477,600
  5. Step 5: Solve for x
    x = 210,818,835,648,477,600/525,590,183.23
  6. Step 6: Final answer
    x = 401,108,777.09

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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.