Home / 1,276,494,960.96-1,915,324,226.39-655,146,530.21

Finding the Fourth Proportional to 1,276,494,960.96, 1,915,324,226.39 and 655,146,530.21

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Solution

The fourth proportional to 1,276,494,960.96, 1,915,324,226.39 and 655,146,530.21 is: 983,018,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,494,960.96 : 1,915,324,226.39 = 655,146,530.21 : x
  2. Step 2: Convert to fraction form
    1,276,494,960.96/1,915,324,226.39 = 655,146,530.21/x
  3. Step 3: Cross multiply
    1,276,494,960.96x = 1,915,324,226.39 × 655,146,530.21
  4. Step 4: Simplify right side
    1,276,494,960.96x = 1,254,818,021,146,561,280
  5. Step 5: Solve for x
    x = 1,254,818,021,146,561,280/1,276,494,960.96
  6. Step 6: Final answer
    x = 983,018,389.83

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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.