Home / 938,390,199.70-1,407,585,299.55-248,367,205.30

Finding the Fourth Proportional to 938,390,199.70, 1,407,585,299.55 and 248,367,205.30

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Solution

The fourth proportional to 938,390,199.70, 1,407,585,299.55 and 248,367,205.30 is: 372,550,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,390,199.70 : 1,407,585,299.55 = 248,367,205.30 : x
  2. Step 2: Convert to fraction form
    938,390,199.70/1,407,585,299.55 = 248,367,205.30/x
  3. Step 3: Cross multiply
    938,390,199.70x = 1,407,585,299.55 × 248,367,205.30
  4. Step 4: Simplify right side
    938,390,199.70x = 349,598,027,070,596,864
  5. Step 5: Solve for x
    x = 349,598,027,070,596,864/938,390,199.70
  6. Step 6: Final answer
    x = 372,550,807.95

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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.