Home / 492,828,490.80-738,993,627.72-288,417,979.44

Finding the Fourth Proportional to 492,828,490.80, 738,993,627.72 and 288,417,979.44

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Solution

The fourth proportional to 492,828,490.80, 738,993,627.72 and 288,417,979.44 is: 432,481,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,828,490.80 : 738,993,627.72 = 288,417,979.44 : x
  2. Step 2: Convert to fraction form
    492,828,490.80/738,993,627.72 = 288,417,979.44/x
  3. Step 3: Cross multiply
    492,828,490.80x = 738,993,627.72 × 288,417,979.44
  4. Step 4: Simplify right side
    492,828,490.80x = 213,139,048,926,037,984
  5. Step 5: Solve for x
    x = 213,139,048,926,037,984/492,828,490.80
  6. Step 6: Final answer
    x = 432,481,183.42

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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.