Home / 554,643,910.26-765,399,241.89-307,119,950.10

Finding the Fourth Proportional to 554,643,910.26, 765,399,241.89 and 307,119,950.10

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Solution

The fourth proportional to 554,643,910.26, 765,399,241.89 and 307,119,950.10 is: 423,820,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,643,910.26 : 765,399,241.89 = 307,119,950.10 : x
  2. Step 2: Convert to fraction form
    554,643,910.26/765,399,241.89 = 307,119,950.10/x
  3. Step 3: Cross multiply
    554,643,910.26x = 765,399,241.89 × 307,119,950.10
  4. Step 4: Simplify right side
    554,643,910.26x = 235,069,376,975,834,656
  5. Step 5: Solve for x
    x = 235,069,376,975,834,656/554,643,910.26
  6. Step 6: Final answer
    x = 423,820,351.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.