Home / 989,384,999.80-1,483,699,586.10-299,062,823.80

Finding the Fourth Proportional to 989,384,999.80, 1,483,699,586.10 and 299,062,823.80

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Solution

The fourth proportional to 989,384,999.80, 1,483,699,586.10 and 299,062,823.80 is: 448,480,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,384,999.80 : 1,483,699,586.10 = 299,062,823.80 : x
  2. Step 2: Convert to fraction form
    989,384,999.80/1,483,699,586.10 = 299,062,823.80/x
  3. Step 3: Cross multiply
    989,384,999.80x = 1,483,699,586.10 × 299,062,823.80
  4. Step 4: Simplify right side
    989,384,999.80x = 443,719,387,889,957,248
  5. Step 5: Solve for x
    x = 443,719,387,889,957,248/989,384,999.80
  6. Step 6: Final answer
    x = 448,480,003.21

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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.