Home / 681,777,035.29-940,851,744.61-368,511,248.23

Finding the Fourth Proportional to 681,777,035.29, 940,851,744.61 and 368,511,248.23

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Solution

The fourth proportional to 681,777,035.29, 940,851,744.61 and 368,511,248.23 is: 508,545,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,777,035.29 : 940,851,744.61 = 368,511,248.23 : x
  2. Step 2: Convert to fraction form
    681,777,035.29/940,851,744.61 = 368,511,248.23/x
  3. Step 3: Cross multiply
    681,777,035.29x = 940,851,744.61 × 368,511,248.23
  4. Step 4: Simplify right side
    681,777,035.29x = 346,714,450,809,369,280
  5. Step 5: Solve for x
    x = 346,714,450,809,369,280/681,777,035.29
  6. Step 6: Final answer
    x = 508,545,217.67

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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.