Home / 633,984,007.80-950,976,011.70-412,054,246.20

Finding the Fourth Proportional to 633,984,007.80, 950,976,011.70 and 412,054,246.20

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Solution

The fourth proportional to 633,984,007.80, 950,976,011.70 and 412,054,246.20 is: 618,081,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,984,007.80 : 950,976,011.70 = 412,054,246.20 : x
  2. Step 2: Convert to fraction form
    633,984,007.80/950,976,011.70 = 412,054,246.20/x
  3. Step 3: Cross multiply
    633,984,007.80x = 950,976,011.70 × 412,054,246.20
  4. Step 4: Simplify right side
    633,984,007.80x = 391,853,703,655,325,888
  5. Step 5: Solve for x
    x = 391,853,703,655,325,888/633,984,007.80
  6. Step 6: Final answer
    x = 618,081,369.30

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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.