Home / 922,737,579.81-1,273,381,740.83-499,351,260.98

Finding the Fourth Proportional to 922,737,579.81, 1,273,381,740.83 and 499,351,260.98

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Solution

The fourth proportional to 922,737,579.81, 1,273,381,740.83 and 499,351,260.98 is: 689,106,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,737,579.81 : 1,273,381,740.83 = 499,351,260.98 : x
  2. Step 2: Convert to fraction form
    922,737,579.81/1,273,381,740.83 = 499,351,260.98/x
  3. Step 3: Cross multiply
    922,737,579.81x = 1,273,381,740.83 × 499,351,260.98
  4. Step 4: Simplify right side
    922,737,579.81x = 635,864,777,983,504,384
  5. Step 5: Solve for x
    x = 635,864,777,983,504,384/922,737,579.81
  6. Step 6: Final answer
    x = 689,106,840.23

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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.