Home / 412,322,662.19-617,655,901.66-190,683,335.12

Finding the Fourth Proportional to 412,322,662.19, 617,655,901.66 and 190,683,335.12

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Solution

The fourth proportional to 412,322,662.19, 617,655,901.66 and 190,683,335.12 is: 285,642,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,322,662.19 : 617,655,901.66 = 190,683,335.12 : x
  2. Step 2: Convert to fraction form
    412,322,662.19/617,655,901.66 = 190,683,335.12/x
  3. Step 3: Cross multiply
    412,322,662.19x = 617,655,901.66 × 190,683,335.12
  4. Step 4: Simplify right side
    412,322,662.19x = 117,776,687,281,514,560
  5. Step 5: Solve for x
    x = 117,776,687,281,514,560/412,322,662.19
  6. Step 6: Final answer
    x = 285,642,042.22

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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.