Home / 1,158,628,279.41-1,737,778,787.78-371,579,660.46

Finding the Fourth Proportional to 1,158,628,279.41, 1,737,778,787.78 and 371,579,660.46

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Solution

The fourth proportional to 1,158,628,279.41, 1,737,778,787.78 and 371,579,660.46 is: 557,317,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,628,279.41 : 1,737,778,787.78 = 371,579,660.46 : x
  2. Step 2: Convert to fraction form
    1,158,628,279.41/1,737,778,787.78 = 371,579,660.46/x
  3. Step 3: Cross multiply
    1,158,628,279.41x = 1,737,778,787.78 × 371,579,660.46
  4. Step 4: Simplify right side
    1,158,628,279.41x = 645,723,251,916,024,960
  5. Step 5: Solve for x
    x = 645,723,251,916,024,960/1,158,628,279.41
  6. Step 6: Final answer
    x = 557,317,013.05

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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.