Home / 1,663,736,440.61-2,296,028,032.29-921,180,568.97

Finding the Fourth Proportional to 1,663,736,440.61, 2,296,028,032.29 and 921,180,568.97

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Solution

The fourth proportional to 1,663,736,440.61, 2,296,028,032.29 and 921,180,568.97 is: 1,271,268,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,736,440.61 : 2,296,028,032.29 = 921,180,568.97 : x
  2. Step 2: Convert to fraction form
    1,663,736,440.61/2,296,028,032.29 = 921,180,568.97/x
  3. Step 3: Cross multiply
    1,663,736,440.61x = 2,296,028,032.29 × 921,180,568.97
  4. Step 4: Simplify right side
    1,663,736,440.61x = 2,115,056,409,144,491,520
  5. Step 5: Solve for x
    x = 2,115,056,409,144,491,520/1,663,736,440.61
  6. Step 6: Final answer
    x = 1,271,268,908.66

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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.