Home / 636,116,856.56-954,147,530.64-199,407,576.80

Finding the Fourth Proportional to 636,116,856.56, 954,147,530.64 and 199,407,576.80

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Solution

The fourth proportional to 636,116,856.56, 954,147,530.64 and 199,407,576.80 is: 299,102,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,116,856.56 : 954,147,530.64 = 199,407,576.80 : x
  2. Step 2: Convert to fraction form
    636,116,856.56/954,147,530.64 = 199,407,576.80/x
  3. Step 3: Cross multiply
    636,116,856.56x = 954,147,530.64 × 199,407,576.80
  4. Step 4: Simplify right side
    636,116,856.56x = 190,264,246,994,626,176
  5. Step 5: Solve for x
    x = 190,264,246,994,626,176/636,116,856.56
  6. Step 6: Final answer
    x = 299,102,664.92

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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.