Home / 500,389,441.02-749,930,467.23-279,051,948.18

Finding the Fourth Proportional to 500,389,441.02, 749,930,467.23 and 279,051,948.18

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Solution

The fourth proportional to 500,389,441.02, 749,930,467.23 and 279,051,948.18 is: 418,213,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,389,441.02 : 749,930,467.23 = 279,051,948.18 : x
  2. Step 2: Convert to fraction form
    500,389,441.02/749,930,467.23 = 279,051,948.18/x
  3. Step 3: Cross multiply
    500,389,441.02x = 749,930,467.23 × 279,051,948.18
  4. Step 4: Simplify right side
    500,389,441.02x = 209,269,557,880,069,152
  5. Step 5: Solve for x
    x = 209,269,557,880,069,152/500,389,441.02
  6. Step 6: Final answer
    x = 418,213,376.87

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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.