Home / 330,804,639.40-496,206,959.10-238,971,634.60

Finding the Fourth Proportional to 330,804,639.40, 496,206,959.10 and 238,971,634.60

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Solution

The fourth proportional to 330,804,639.40, 496,206,959.10 and 238,971,634.60 is: 358,457,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,804,639.40 : 496,206,959.10 = 238,971,634.60 : x
  2. Step 2: Convert to fraction form
    330,804,639.40/496,206,959.10 = 238,971,634.60/x
  3. Step 3: Cross multiply
    330,804,639.40x = 496,206,959.10 × 238,971,634.60
  4. Step 4: Simplify right side
    330,804,639.40x = 118,579,388,116,022,352
  5. Step 5: Solve for x
    x = 118,579,388,116,022,352/330,804,639.40
  6. Step 6: Final answer
    x = 358,457,451.90

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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.