Home / 933,585,384.32-1,399,979,446.11-540,383,617.78

Finding the Fourth Proportional to 933,585,384.32, 1,399,979,446.11 and 540,383,617.78

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Solution

The fourth proportional to 933,585,384.32, 1,399,979,446.11 and 540,383,617.78 is: 810,344,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,585,384.32 : 1,399,979,446.11 = 540,383,617.78 : x
  2. Step 2: Convert to fraction form
    933,585,384.32/1,399,979,446.11 = 540,383,617.78/x
  3. Step 3: Cross multiply
    933,585,384.32x = 1,399,979,446.11 × 540,383,617.78
  4. Step 4: Simplify right side
    933,585,384.32x = 756,525,957,905,363,968
  5. Step 5: Solve for x
    x = 756,525,957,905,363,968/933,585,384.32
  6. Step 6: Final answer
    x = 810,344,688.99

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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.