Home / 259,230,365,268.45-357,730,137,822.66-143,491,868,975.58

Finding the Fourth Proportional to 259,230,365,268.45, 357,730,137,822.66 and 143,491,868,975.58

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Solution

The fourth proportional to 259,230,365,268.45, 357,730,137,822.66 and 143,491,868,975.58 is: 198,014,480,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,230,365,268.45 : 357,730,137,822.66 = 143,491,868,975.58 : x
  2. Step 2: Convert to fraction form
    259,230,365,268.45/357,730,137,822.66 = 143,491,868,975.58/x
  3. Step 3: Cross multiply
    259,230,365,268.45x = 357,730,137,822.66 × 143,491,868,975.58
  4. Step 4: Simplify right side
    259,230,365,268.45x = 51,331,366,065,065,299,017,728
  5. Step 5: Solve for x
    x = 51,331,366,065,065,299,017,728/259,230,365,268.45
  6. Step 6: Final answer
    x = 198,014,480,332.61

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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.