Home / 353,422,905.40-529,945,401.30-148,719,705.40

Finding the Fourth Proportional to 353,422,905.40, 529,945,401.30 and 148,719,705.40

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Solution

The fourth proportional to 353,422,905.40, 529,945,401.30 and 148,719,705.40 is: 223,000,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,422,905.40 : 529,945,401.30 = 148,719,705.40 : x
  2. Step 2: Convert to fraction form
    353,422,905.40/529,945,401.30 = 148,719,705.40/x
  3. Step 3: Cross multiply
    353,422,905.40x = 529,945,401.30 × 148,719,705.40
  4. Step 4: Simplify right side
    353,422,905.40x = 78,813,323,959,420,784
  5. Step 5: Solve for x
    x = 78,813,323,959,420,784/353,422,905.40
  6. Step 6: Final answer
    x = 223,000,045.43

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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.