Home / 644,443,953,465.85-889,333,537,759.45-351,469,584,591.93

Finding the Fourth Proportional to 644,443,953,465.85, 889,333,537,759.45 and 351,469,584,591.93

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Solution

The fourth proportional to 644,443,953,465.85, 889,333,537,759.45 and 351,469,584,591.93 is: 485,028,507,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,443,953,465.85 : 889,333,537,759.45 = 351,469,584,591.93 : x
  2. Step 2: Convert to fraction form
    644,443,953,465.85/889,333,537,759.45 = 351,469,584,591.93/x
  3. Step 3: Cross multiply
    644,443,953,465.85x = 889,333,537,759.45 × 351,469,584,591.93
  4. Step 4: Simplify right side
    644,443,953,465.85x = 312,573,689,079,985,376,067,584
  5. Step 5: Solve for x
    x = 312,573,689,079,985,376,067,584/644,443,953,465.85
  6. Step 6: Final answer
    x = 485,028,507,753.00

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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.