Home / 672,656,446.98-1,008,500,424.84-413,335,896.30

Finding the Fourth Proportional to 672,656,446.98, 1,008,500,424.84 and 413,335,896.30

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Solution

The fourth proportional to 672,656,446.98, 1,008,500,424.84 and 413,335,896.30 is: 619,706,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,656,446.98 : 1,008,500,424.84 = 413,335,896.30 : x
  2. Step 2: Convert to fraction form
    672,656,446.98/1,008,500,424.84 = 413,335,896.30/x
  3. Step 3: Cross multiply
    672,656,446.98x = 1,008,500,424.84 × 413,335,896.30
  4. Step 4: Simplify right side
    672,656,446.98x = 416,849,427,020,172,224
  5. Step 5: Solve for x
    x = 416,849,427,020,172,224/672,656,446.98
  6. Step 6: Final answer
    x = 619,706,283.78

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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.