Home / 820,039,245,670.48-1,229,610,456,176.90-651,143,767,769.44

Finding the Fourth Proportional to 820,039,245,670.48, 1,229,610,456,176.90 and 651,143,767,769.44

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Solution

The fourth proportional to 820,039,245,670.48, 1,229,610,456,176.90 and 651,143,767,769.44 is: 976,359,594,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,039,245,670.48 : 1,229,610,456,176.90 = 651,143,767,769.44 : x
  2. Step 2: Convert to fraction form
    820,039,245,670.48/1,229,610,456,176.90 = 651,143,767,769.44/x
  3. Step 3: Cross multiply
    820,039,245,670.48x = 1,229,610,456,176.90 × 651,143,767,769.44
  4. Step 4: Simplify right side
    820,039,245,670.48x = 800,653,185,323,726,423,457,792
  5. Step 5: Solve for x
    x = 800,653,185,323,726,423,457,792/820,039,245,670.48
  6. Step 6: Final answer
    x = 976,359,594,435.14

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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.