Home / 693,042,291.50-1,039,553,641.11-168,415,249.64

Finding the Fourth Proportional to 693,042,291.50, 1,039,553,641.11 and 168,415,249.64

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Solution

The fourth proportional to 693,042,291.50, 1,039,553,641.11 and 168,415,249.64 is: 252,620,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,042,291.50 : 1,039,553,641.11 = 168,415,249.64 : x
  2. Step 2: Convert to fraction form
    693,042,291.50/1,039,553,641.11 = 168,415,249.64/x
  3. Step 3: Cross multiply
    693,042,291.50x = 1,039,553,641.11 × 168,415,249.64
  4. Step 4: Simplify right side
    693,042,291.50x = 175,076,685,981,711,616
  5. Step 5: Solve for x
    x = 175,076,685,981,711,616/693,042,291.50
  6. Step 6: Final answer
    x = 252,620,493.91

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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.