Home / 693,042,250-1,039,553,578.86-168,415,208.14

Finding the Fourth Proportional to 693,042,250, 1,039,553,578.86 and 168,415,208.14

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Solution

The fourth proportional to 693,042,250, 1,039,553,578.86 and 168,415,208.14 is: 252,620,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,042,250 : 1,039,553,578.86 = 168,415,208.14 : x
  2. Step 2: Convert to fraction form
    693,042,250/1,039,553,578.86 = 168,415,208.14/x
  3. Step 3: Cross multiply
    693,042,250x = 1,039,553,578.86 × 168,415,208.14
  4. Step 4: Simplify right side
    693,042,250x = 175,076,632,356,388,800
  5. Step 5: Solve for x
    x = 175,076,632,356,388,800/693,042,250
  6. Step 6: Final answer
    x = 252,620,431.66

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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.