Home / 545,761,896.10-818,678,273.55-287,481,570.10

Finding the Fourth Proportional to 545,761,896.10, 818,678,273.55 and 287,481,570.10

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Solution

The fourth proportional to 545,761,896.10, 818,678,273.55 and 287,481,570.10 is: 431,241,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,761,896.10 : 818,678,273.55 = 287,481,570.10 : x
  2. Step 2: Convert to fraction form
    545,761,896.10/818,678,273.55 = 287,481,570.10/x
  3. Step 3: Cross multiply
    545,761,896.10x = 818,678,273.55 × 287,481,570.10
  4. Step 4: Simplify right side
    545,761,896.10x = 235,354,915,486,911,296
  5. Step 5: Solve for x
    x = 235,354,915,486,911,296/545,761,896.10
  6. Step 6: Final answer
    x = 431,241,017.68

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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.