Home / 683,699,262.88-943,160,977.20-448,717,310.32

Finding the Fourth Proportional to 683,699,262.88, 943,160,977.20 and 448,717,310.32

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Solution

The fourth proportional to 683,699,262.88, 943,160,977.20 and 448,717,310.32 is: 619,004,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,699,262.88 : 943,160,977.20 = 448,717,310.32 : x
  2. Step 2: Convert to fraction form
    683,699,262.88/943,160,977.20 = 448,717,310.32/x
  3. Step 3: Cross multiply
    683,699,262.88x = 943,160,977.20 × 448,717,310.32
  4. Step 4: Simplify right side
    683,699,262.88x = 423,212,656,887,966,848
  5. Step 5: Solve for x
    x = 423,212,656,887,966,848/683,699,262.88
  6. Step 6: Final answer
    x = 619,004,114.62

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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.