Home / 13,286,386,871.28-19,923,445,859.40-4,890,183,531.12

Finding the Fourth Proportional to 13,286,386,871.28, 19,923,445,859.40 and 4,890,183,531.12

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Solution

The fourth proportional to 13,286,386,871.28, 19,923,445,859.40 and 4,890,183,531.12 is: 7,333,017,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,386,871.28 : 19,923,445,859.40 = 4,890,183,531.12 : x
  2. Step 2: Convert to fraction form
    13,286,386,871.28/19,923,445,859.40 = 4,890,183,531.12/x
  3. Step 3: Cross multiply
    13,286,386,871.28x = 19,923,445,859.40 × 4,890,183,531.12
  4. Step 4: Simplify right side
    13,286,386,871.28x = 97,429,306,824,798,846,976
  5. Step 5: Solve for x
    x = 97,429,306,824,798,846,976/13,286,386,871.28
  6. Step 6: Final answer
    x = 7,333,017,453.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.