Home / 382,388,237,338.64-527,933,916,900.24-243,417,931,178.12

Finding the Fourth Proportional to 382,388,237,338.64, 527,933,916,900.24 and 243,417,931,178.12

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Solution

The fourth proportional to 382,388,237,338.64, 527,933,916,900.24 and 243,417,931,178.12 is: 336,068,344,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,388,237,338.64 : 527,933,916,900.24 = 243,417,931,178.12 : x
  2. Step 2: Convert to fraction form
    382,388,237,338.64/527,933,916,900.24 = 243,417,931,178.12/x
  3. Step 3: Cross multiply
    382,388,237,338.64x = 527,933,916,900.24 × 243,417,931,178.12
  4. Step 4: Simplify right side
    382,388,237,338.64x = 128,508,581,850,617,938,444,288
  5. Step 5: Solve for x
    x = 128,508,581,850,617,938,444,288/382,388,237,338.64
  6. Step 6: Final answer
    x = 336,068,344,426.64

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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.