Home / 638,025,003.96-957,207,632.70-229,084,697.40

Finding the Fourth Proportional to 638,025,003.96, 957,207,632.70 and 229,084,697.40

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Solution

The fourth proportional to 638,025,003.96, 957,207,632.70 and 229,084,697.40 is: 343,688,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,025,003.96 : 957,207,632.70 = 229,084,697.40 : x
  2. Step 2: Convert to fraction form
    638,025,003.96/957,207,632.70 = 229,084,697.40/x
  3. Step 3: Cross multiply
    638,025,003.96x = 957,207,632.70 × 229,084,697.40
  4. Step 4: Simplify right side
    638,025,003.96x = 219,281,620,886,049,856
  5. Step 5: Solve for x
    x = 219,281,620,886,049,856/638,025,003.96
  6. Step 6: Final answer
    x = 343,688,130.60

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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.