Home / 297,225,905.40-445,838,858.10-219,741,807.60

Finding the Fourth Proportional to 297,225,905.40, 445,838,858.10 and 219,741,807.60

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Solution

The fourth proportional to 297,225,905.40, 445,838,858.10 and 219,741,807.60 is: 329,612,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,225,905.40 : 445,838,858.10 = 219,741,807.60 : x
  2. Step 2: Convert to fraction form
    297,225,905.40/445,838,858.10 = 219,741,807.60/x
  3. Step 3: Cross multiply
    297,225,905.40x = 445,838,858.10 × 219,741,807.60
  4. Step 4: Simplify right side
    297,225,905.40x = 97,969,436,577,213,904
  5. Step 5: Solve for x
    x = 97,969,436,577,213,904/297,225,905.40
  6. Step 6: Final answer
    x = 329,612,711.40

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1.5x scale

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.