Home / 636,209,148.60-954,313,722.90-330,099,132.60

Finding the Fourth Proportional to 636,209,148.60, 954,313,722.90 and 330,099,132.60

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Solution

The fourth proportional to 636,209,148.60, 954,313,722.90 and 330,099,132.60 is: 495,148,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,209,148.60 : 954,313,722.90 = 330,099,132.60 : x
  2. Step 2: Convert to fraction form
    636,209,148.60/954,313,722.90 = 330,099,132.60/x
  3. Step 3: Cross multiply
    636,209,148.60x = 954,313,722.90 × 330,099,132.60
  4. Step 4: Simplify right side
    636,209,148.60x = 315,018,132,157,566,784
  5. Step 5: Solve for x
    x = 315,018,132,157,566,784/636,209,148.60
  6. Step 6: Final answer
    x = 495,148,698.90

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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.