Home / 411,769,398.48-617,465,743.56-245,848,220.88

Finding the Fourth Proportional to 411,769,398.48, 617,465,743.56 and 245,848,220.88

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Solution

The fourth proportional to 411,769,398.48, 617,465,743.56 and 245,848,220.88 is: 368,659,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,769,398.48 : 617,465,743.56 = 245,848,220.88 : x
  2. Step 2: Convert to fraction form
    411,769,398.48/617,465,743.56 = 245,848,220.88/x
  3. Step 3: Cross multiply
    411,769,398.48x = 617,465,743.56 × 245,848,220.88
  4. Step 4: Simplify right side
    411,769,398.48x = 151,802,854,508,572,288
  5. Step 5: Solve for x
    x = 151,802,854,508,572,288/411,769,398.48
  6. Step 6: Final answer
    x = 368,659,873.87

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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.