Home / 386,260,976.41-533,043,943.08-210,052,800.83

Finding the Fourth Proportional to 386,260,976.41, 533,043,943.08 and 210,052,800.83

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Solution

The fourth proportional to 386,260,976.41, 533,043,943.08 and 210,052,800.83 is: 289,874,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,260,976.41 : 533,043,943.08 = 210,052,800.83 : x
  2. Step 2: Convert to fraction form
    386,260,976.41/533,043,943.08 = 210,052,800.83/x
  3. Step 3: Cross multiply
    386,260,976.41x = 533,043,943.08 × 210,052,800.83
  4. Step 4: Simplify right side
    386,260,976.41x = 111,967,373,209,421,104
  5. Step 5: Solve for x
    x = 111,967,373,209,421,104/386,260,976.41
  6. Step 6: Final answer
    x = 289,874,929.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.