Home / 251,315,683,292.64-376,971,040,688.78-115,139,180,970.08

Finding the Fourth Proportional to 251,315,683,292.64, 376,971,040,688.78 and 115,139,180,970.08

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Solution

The fourth proportional to 251,315,683,292.64, 376,971,040,688.78 and 115,139,180,970.08 is: 172,707,633,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,315,683,292.64 : 376,971,040,688.78 = 115,139,180,970.08 : x
  2. Step 2: Convert to fraction form
    251,315,683,292.64/376,971,040,688.78 = 115,139,180,970.08/x
  3. Step 3: Cross multiply
    251,315,683,292.64x = 376,971,040,688.78 × 115,139,180,970.08
  4. Step 4: Simplify right side
    251,315,683,292.64x = 43,404,136,874,344,835,973,120
  5. Step 5: Solve for x
    x = 43,404,136,874,344,835,973,120/251,315,683,292.64
  6. Step 6: Final answer
    x = 172,707,633,306.77

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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.