Home / 989,683,993,261.35-1,483,724,876,227.10-309,412,186,371.43

Finding the Fourth Proportional to 989,683,993,261.35, 1,483,724,876,227.10 and 309,412,186,371.43

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Solution

The fourth proportional to 989,683,993,261.35, 1,483,724,876,227.10 and 309,412,186,371.43 is: 463,867,821,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,683,993,261.35 : 1,483,724,876,227.10 = 309,412,186,371.43 : x
  2. Step 2: Convert to fraction form
    989,683,993,261.35/1,483,724,876,227.10 = 309,412,186,371.43/x
  3. Step 3: Cross multiply
    989,683,993,261.35x = 1,483,724,876,227.10 × 309,412,186,371.43
  4. Step 4: Simplify right side
    989,683,993,261.35x = 459,082,557,927,106,426,175,488
  5. Step 5: Solve for x
    x = 459,082,557,927,106,426,175,488/989,683,993,261.35
  6. Step 6: Final answer
    x = 463,867,821,499.54

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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.