Home / 2,812,218,078.15-4,219,146,199.79-1,259,146,192.77

Finding the Fourth Proportional to 2,812,218,078.15, 4,219,146,199.79 and 1,259,146,192.77

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Solution

The fourth proportional to 2,812,218,078.15, 4,219,146,199.79 and 1,259,146,192.77 is: 1,889,086,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,218,078.15 : 4,219,146,199.79 = 1,259,146,192.77 : x
  2. Step 2: Convert to fraction form
    2,812,218,078.15/4,219,146,199.79 = 1,259,146,192.77/x
  3. Step 3: Cross multiply
    2,812,218,078.15x = 4,219,146,199.79 × 1,259,146,192.77
  4. Step 4: Simplify right side
    2,812,218,078.15x = 5,312,521,874,205,592,576
  5. Step 5: Solve for x
    x = 5,312,521,874,205,592,576/2,812,218,078.15
  6. Step 6: Final answer
    x = 1,889,086,026.25

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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.