Home / 412,322,664.45-617,655,905.04-190,683,337.35

Finding the Fourth Proportional to 412,322,664.45, 617,655,905.04 and 190,683,337.35

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Solution

The fourth proportional to 412,322,664.45, 617,655,905.04 and 190,683,337.35 is: 285,642,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,322,664.45 : 617,655,905.04 = 190,683,337.35 : x
  2. Step 2: Convert to fraction form
    412,322,664.45/617,655,905.04 = 190,683,337.35/x
  3. Step 3: Cross multiply
    412,322,664.45x = 617,655,905.04 × 190,683,337.35
  4. Step 4: Simplify right side
    412,322,664.45x = 117,776,689,306,961,872
  5. Step 5: Solve for x
    x = 117,776,689,306,961,872/412,322,664.45
  6. Step 6: Final answer
    x = 285,642,045.57

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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.