Home / 873,454,438.40-1,310,181,657.60-414,289,414.40

Finding the Fourth Proportional to 873,454,438.40, 1,310,181,657.60 and 414,289,414.40

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Solution

The fourth proportional to 873,454,438.40, 1,310,181,657.60 and 414,289,414.40 is: 621,434,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,454,438.40 : 1,310,181,657.60 = 414,289,414.40 : x
  2. Step 2: Convert to fraction form
    873,454,438.40/1,310,181,657.60 = 414,289,414.40/x
  3. Step 3: Cross multiply
    873,454,438.40x = 1,310,181,657.60 × 414,289,414.40
  4. Step 4: Simplify right side
    873,454,438.40x = 542,794,391,684,725,248
  5. Step 5: Solve for x
    x = 542,794,391,684,725,248/873,454,438.40
  6. Step 6: Final answer
    x = 621,434,121.60

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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.