Home / 2,118,088,721.61-3,176,151,302.91-789,760,103.60

Finding the Fourth Proportional to 2,118,088,721.61, 3,176,151,302.91 and 789,760,103.60

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Solution

The fourth proportional to 2,118,088,721.61, 3,176,151,302.91 and 789,760,103.60 is: 1,184,274,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,088,721.61 : 3,176,151,302.91 = 789,760,103.60 : x
  2. Step 2: Convert to fraction form
    2,118,088,721.61/3,176,151,302.91 = 789,760,103.60/x
  3. Step 3: Cross multiply
    2,118,088,721.61x = 3,176,151,302.91 × 789,760,103.60
  4. Step 4: Simplify right side
    2,118,088,721.61x = 2,508,397,582,046,417,920
  5. Step 5: Solve for x
    x = 2,508,397,582,046,417,920/2,118,088,721.61
  6. Step 6: Final answer
    x = 1,184,274,084.68

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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.