Home / 737,908,737.31-1,018,320,833.24-420,364,277.07

Finding the Fourth Proportional to 737,908,737.31, 1,018,320,833.24 and 420,364,277.07

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Solution

The fourth proportional to 737,908,737.31, 1,018,320,833.24 and 420,364,277.07 is: 580,106,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,908,737.31 : 1,018,320,833.24 = 420,364,277.07 : x
  2. Step 2: Convert to fraction form
    737,908,737.31/1,018,320,833.24 = 420,364,277.07/x
  3. Step 3: Cross multiply
    737,908,737.31x = 1,018,320,833.24 × 420,364,277.07
  4. Step 4: Simplify right side
    737,908,737.31x = 428,065,700,890,252,608
  5. Step 5: Solve for x
    x = 428,065,700,890,252,608/737,908,737.31
  6. Step 6: Final answer
    x = 580,106,562.30

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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.