Home / 1,370,335,162.77-2,055,581,990.11-387,679,386.78

Finding the Fourth Proportional to 1,370,335,162.77, 2,055,581,990.11 and 387,679,386.78

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Solution

The fourth proportional to 1,370,335,162.77, 2,055,581,990.11 and 387,679,386.78 is: 581,541,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,335,162.77 : 2,055,581,990.11 = 387,679,386.78 : x
  2. Step 2: Convert to fraction form
    1,370,335,162.77/2,055,581,990.11 = 387,679,386.78/x
  3. Step 3: Cross multiply
    1,370,335,162.77x = 2,055,581,990.11 × 387,679,386.78
  4. Step 4: Simplify right side
    1,370,335,162.77x = 796,906,765,408,596,096
  5. Step 5: Solve for x
    x = 796,906,765,408,596,096/1,370,335,162.77
  6. Step 6: Final answer
    x = 581,541,499.52

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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.