Home / 330,234,872.40-495,352,308.60-148,836,344.40

Finding the Fourth Proportional to 330,234,872.40, 495,352,308.60 and 148,836,344.40

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Solution

The fourth proportional to 330,234,872.40, 495,352,308.60 and 148,836,344.40 is: 223,254,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,234,872.40 : 495,352,308.60 = 148,836,344.40 : x
  2. Step 2: Convert to fraction form
    330,234,872.40/495,352,308.60 = 148,836,344.40/x
  3. Step 3: Cross multiply
    330,234,872.40x = 495,352,308.60 × 148,836,344.40
  4. Step 4: Simplify right side
    330,234,872.40x = 73,726,426,802,124,688
  5. Step 5: Solve for x
    x = 73,726,426,802,124,688/330,234,872.40
  6. Step 6: Final answer
    x = 223,254,516.60

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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.