Home / 681,621,026.15-940,679,169.74-376,092,563.96

Finding the Fourth Proportional to 681,621,026.15, 940,679,169.74 and 376,092,563.96

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Solution

The fourth proportional to 681,621,026.15, 940,679,169.74 and 376,092,563.96 is: 519,030,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,621,026.15 : 940,679,169.74 = 376,092,563.96 : x
  2. Step 2: Convert to fraction form
    681,621,026.15/940,679,169.74 = 376,092,563.96/x
  3. Step 3: Cross multiply
    681,621,026.15x = 940,679,169.74 × 376,092,563.96
  4. Step 4: Simplify right side
    681,621,026.15x = 353,782,440,804,696,768
  5. Step 5: Solve for x
    x = 353,782,440,804,696,768/681,621,026.15
  6. Step 6: Final answer
    x = 519,030,997.04

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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.