Home / 1,429,002,068.34-2,143,115,944.11-393,616,712.82

Finding the Fourth Proportional to 1,429,002,068.34, 2,143,115,944.11 and 393,616,712.82

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Solution

The fourth proportional to 1,429,002,068.34, 2,143,115,944.11 and 393,616,712.82 is: 590,318,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,002,068.34 : 2,143,115,944.11 = 393,616,712.82 : x
  2. Step 2: Convert to fraction form
    1,429,002,068.34/2,143,115,944.11 = 393,616,712.82/x
  3. Step 3: Cross multiply
    1,429,002,068.34x = 2,143,115,944.11 × 393,616,712.82
  4. Step 4: Simplify right side
    1,429,002,068.34x = 843,566,253,112,708,992
  5. Step 5: Solve for x
    x = 843,566,253,112,708,992/1,429,002,068.34
  6. Step 6: Final answer
    x = 590,318,426.97

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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.