Home / 460,061,015.91-689,965,830.36-164,901,121.53

Finding the Fourth Proportional to 460,061,015.91, 689,965,830.36 and 164,901,121.53

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Solution

The fourth proportional to 460,061,015.91, 689,965,830.36 and 164,901,121.53 is: 247,306,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,061,015.91 : 689,965,830.36 = 164,901,121.53 : x
  2. Step 2: Convert to fraction form
    460,061,015.91/689,965,830.36 = 164,901,121.53/x
  3. Step 3: Cross multiply
    460,061,015.91x = 689,965,830.36 × 164,901,121.53
  4. Step 4: Simplify right side
    460,061,015.91x = 113,776,139,243,741,728
  5. Step 5: Solve for x
    x = 113,776,139,243,741,728/460,061,015.91
  6. Step 6: Final answer
    x = 247,306,629.58

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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.