Home / 329,316,009.12-493,315,358.94-198,085,843.67

Finding the Fourth Proportional to 329,316,009.12, 493,315,358.94 and 198,085,843.67

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Solution

The fourth proportional to 329,316,009.12, 493,315,358.94 and 198,085,843.67 is: 296,732,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,316,009.12 : 493,315,358.94 = 198,085,843.67 : x
  2. Step 2: Convert to fraction form
    329,316,009.12/493,315,358.94 = 198,085,843.67/x
  3. Step 3: Cross multiply
    329,316,009.12x = 493,315,358.94 × 198,085,843.67
  4. Step 4: Simplify right side
    329,316,009.12x = 97,718,789,068,532,192
  5. Step 5: Solve for x
    x = 97,718,789,068,532,192/329,316,009.12
  6. Step 6: Final answer
    x = 296,732,580.14

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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.