Home / 693,042,191.25-1,039,553,491.28-168,415,149.39

Finding the Fourth Proportional to 693,042,191.25, 1,039,553,491.28 and 168,415,149.39

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Solution

The fourth proportional to 693,042,191.25, 1,039,553,491.28 and 168,415,149.39 is: 252,620,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,042,191.25 : 1,039,553,491.28 = 168,415,149.39 : x
  2. Step 2: Convert to fraction form
    693,042,191.25/1,039,553,491.28 = 168,415,149.39/x
  3. Step 3: Cross multiply
    693,042,191.25x = 1,039,553,491.28 × 168,415,149.39
  4. Step 4: Simplify right side
    693,042,191.25x = 175,076,556,531,975,168
  5. Step 5: Solve for x
    x = 175,076,556,531,975,168/693,042,191.25
  6. Step 6: Final answer
    x = 252,620,343.67

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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.