Home / 385,500,217.44-578,033,025.60-126,645,935.16

Finding the Fourth Proportional to 385,500,217.44, 578,033,025.60 and 126,645,935.16

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Solution

The fourth proportional to 385,500,217.44, 578,033,025.60 and 126,645,935.16 is: 189,897,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,500,217.44 : 578,033,025.60 = 126,645,935.16 : x
  2. Step 2: Convert to fraction form
    385,500,217.44/578,033,025.60 = 126,645,935.16/x
  3. Step 3: Cross multiply
    385,500,217.44x = 578,033,025.60 × 126,645,935.16
  4. Step 4: Simplify right side
    385,500,217.44x = 73,205,533,080,476,224
  5. Step 5: Solve for x
    x = 73,205,533,080,476,224/385,500,217.44
  6. Step 6: Final answer
    x = 189,897,514.37

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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.