Home / 636,209,145.60-954,313,718.40-330,099,129.60

Finding the Fourth Proportional to 636,209,145.60, 954,313,718.40 and 330,099,129.60

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Solution

The fourth proportional to 636,209,145.60, 954,313,718.40 and 330,099,129.60 is: 495,148,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,209,145.60 : 954,313,718.40 = 330,099,129.60 : x
  2. Step 2: Convert to fraction form
    636,209,145.60/954,313,718.40 = 330,099,129.60/x
  3. Step 3: Cross multiply
    636,209,145.60x = 954,313,718.40 × 330,099,129.60
  4. Step 4: Simplify right side
    636,209,145.60x = 315,018,127,809,179,520
  5. Step 5: Solve for x
    x = 315,018,127,809,179,520/636,209,145.60
  6. Step 6: Final answer
    x = 495,148,694.40

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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.