Home / 280,293,240.54-383,995,354.70-269,813,531.10

Finding the Fourth Proportional to 280,293,240.54, 383,995,354.70 and 269,813,531.10

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Solution

The fourth proportional to 280,293,240.54, 383,995,354.70 and 269,813,531.10 is: 369,638,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,293,240.54 : 383,995,354.70 = 269,813,531.10 : x
  2. Step 2: Convert to fraction form
    280,293,240.54/383,995,354.70 = 269,813,531.10/x
  3. Step 3: Cross multiply
    280,293,240.54x = 383,995,354.70 × 269,813,531.10
  4. Step 4: Simplify right side
    280,293,240.54x = 103,607,142,576,254,928
  5. Step 5: Solve for x
    x = 103,607,142,576,254,928/280,293,240.54
  6. Step 6: Final answer
    x = 369,638,391.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.