Home / 330,226,811.70-495,340,217.55-309,819,477.30

Finding the Fourth Proportional to 330,226,811.70, 495,340,217.55 and 309,819,477.30

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Solution

The fourth proportional to 330,226,811.70, 495,340,217.55 and 309,819,477.30 is: 464,729,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,226,811.70 : 495,340,217.55 = 309,819,477.30 : x
  2. Step 2: Convert to fraction form
    330,226,811.70/495,340,217.55 = 309,819,477.30/x
  3. Step 3: Cross multiply
    330,226,811.70x = 495,340,217.55 × 309,819,477.30
  4. Step 4: Simplify right side
    330,226,811.70x = 153,466,047,287,009,312
  5. Step 5: Solve for x
    x = 153,466,047,287,009,312/330,226,811.70
  6. Step 6: Final answer
    x = 464,729,215.95

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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.