Home / 84,431,881,579.32-126,669,259,277.34-39,085,281,898.56

Finding the Fourth Proportional to 84,431,881,579.32, 126,669,259,277.34 and 39,085,281,898.56

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Solution

The fourth proportional to 84,431,881,579.32, 126,669,259,277.34 and 39,085,281,898.56 is: 58,637,846,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431,881,579.32 : 126,669,259,277.34 = 39,085,281,898.56 : x
  2. Step 2: Convert to fraction form
    84,431,881,579.32/126,669,259,277.34 = 39,085,281,898.56/x
  3. Step 3: Cross multiply
    84,431,881,579.32x = 126,669,259,277.34 × 39,085,281,898.56
  4. Step 4: Simplify right side
    84,431,881,579.32x = 4,950,903,706,736,619,683,840
  5. Step 5: Solve for x
    x = 4,950,903,706,736,619,683,840/84,431,881,579.32
  6. Step 6: Final answer
    x = 58,637,846,440.57

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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.