Home / 487,156,010.70-730,734,016.06-383,843,880.30

Finding the Fourth Proportional to 487,156,010.70, 730,734,016.06 and 383,843,880.30

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Solution

The fourth proportional to 487,156,010.70, 730,734,016.06 and 383,843,880.30 is: 575,765,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,010.70 : 730,734,016.06 = 383,843,880.30 : x
  2. Step 2: Convert to fraction form
    487,156,010.70/730,734,016.06 = 383,843,880.30/x
  3. Step 3: Cross multiply
    487,156,010.70x = 730,734,016.06 × 383,843,880.30
  4. Step 4: Simplify right side
    487,156,010.70x = 280,487,780,191,672,896
  5. Step 5: Solve for x
    x = 280,487,780,191,672,896/487,156,010.70
  6. Step 6: Final answer
    x = 575,765,820.46

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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.