Home / 548,774,983.71-757,310,204.43-297,879,212.66

Finding the Fourth Proportional to 548,774,983.71, 757,310,204.43 and 297,879,212.66

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Solution

The fourth proportional to 548,774,983.71, 757,310,204.43 and 297,879,212.66 is: 411,073,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,774,983.71 : 757,310,204.43 = 297,879,212.66 : x
  2. Step 2: Convert to fraction form
    548,774,983.71/757,310,204.43 = 297,879,212.66/x
  3. Step 3: Cross multiply
    548,774,983.71x = 757,310,204.43 × 297,879,212.66
  4. Step 4: Simplify right side
    548,774,983.71x = 225,586,967,431,205,440
  5. Step 5: Solve for x
    x = 225,586,967,431,205,440/548,774,983.71
  6. Step 6: Final answer
    x = 411,073,708.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.