Home / 330,804,652.80-496,206,979.20-314,932,281.60

Finding the Fourth Proportional to 330,804,652.80, 496,206,979.20 and 314,932,281.60

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Solution

The fourth proportional to 330,804,652.80, 496,206,979.20 and 314,932,281.60 is: 472,398,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,804,652.80 : 496,206,979.20 = 314,932,281.60 : x
  2. Step 2: Convert to fraction form
    330,804,652.80/496,206,979.20 = 314,932,281.60/x
  3. Step 3: Cross multiply
    330,804,652.80x = 496,206,979.20 × 314,932,281.60
  4. Step 4: Simplify right side
    330,804,652.80x = 156,271,596,105,299,744
  5. Step 5: Solve for x
    x = 156,271,596,105,299,744/330,804,652.80
  6. Step 6: Final answer
    x = 472,398,422.40

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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.