Home / 414,250,221.80-621,773,463.90-210,008,916.20

Finding the Fourth Proportional to 414,250,221.80, 621,773,463.90 and 210,008,916.20

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Solution

The fourth proportional to 414,250,221.80, 621,773,463.90 and 210,008,916.20 is: 315,215,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,250,221.80 : 621,773,463.90 = 210,008,916.20 : x
  2. Step 2: Convert to fraction form
    414,250,221.80/621,773,463.90 = 210,008,916.20/x
  3. Step 3: Cross multiply
    414,250,221.80x = 621,773,463.90 × 210,008,916.20
  4. Step 4: Simplify right side
    414,250,221.80x = 130,577,971,275,558,816
  5. Step 5: Solve for x
    x = 130,577,971,275,558,816/414,250,221.80
  6. Step 6: Final answer
    x = 315,215,211.49

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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.