Home / 746,178,240.69-1,117,768,398.53-371,557,511.82

Finding the Fourth Proportional to 746,178,240.69, 1,117,768,398.53 and 371,557,511.82

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Solution

The fourth proportional to 746,178,240.69, 1,117,768,398.53 and 371,557,511.82 is: 556,589,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,178,240.69 : 1,117,768,398.53 = 371,557,511.82 : x
  2. Step 2: Convert to fraction form
    746,178,240.69/1,117,768,398.53 = 371,557,511.82/x
  3. Step 3: Cross multiply
    746,178,240.69x = 1,117,768,398.53 × 371,557,511.82
  4. Step 4: Simplify right side
    746,178,240.69x = 415,315,244,946,975,168
  5. Step 5: Solve for x
    x = 415,315,244,946,975,168/746,178,240.69
  6. Step 6: Final answer
    x = 556,589,863.25

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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.