Home / 382,388,237,335.62-527,933,916,896.10-243,417,931,175.12

Finding the Fourth Proportional to 382,388,237,335.62, 527,933,916,896.10 and 243,417,931,175.12

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Solution

The fourth proportional to 382,388,237,335.62, 527,933,916,896.10 and 243,417,931,175.12 is: 336,068,344,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,388,237,335.62 : 527,933,916,896.10 = 243,417,931,175.12 : x
  2. Step 2: Convert to fraction form
    382,388,237,335.62/527,933,916,896.10 = 243,417,931,175.12/x
  3. Step 3: Cross multiply
    382,388,237,335.62x = 527,933,916,896.10 × 243,417,931,175.12
  4. Step 4: Simplify right side
    382,388,237,335.62x = 128,508,581,848,026,378,665,984
  5. Step 5: Solve for x
    x = 128,508,581,848,026,378,665,984/382,388,237,335.62
  6. Step 6: Final answer
    x = 336,068,344,422.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.