Home / 384,686,738.56-530,868,148.80-208,474,724.80

Finding the Fourth Proportional to 384,686,738.56, 530,868,148.80 and 208,474,724.80

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Solution

The fourth proportional to 384,686,738.56, 530,868,148.80 and 208,474,724.80 is: 287,695,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,686,738.56 : 530,868,148.80 = 208,474,724.80 : x
  2. Step 2: Convert to fraction form
    384,686,738.56/530,868,148.80 = 208,474,724.80/x
  3. Step 3: Cross multiply
    384,686,738.56x = 530,868,148.80 × 208,474,724.80
  4. Step 4: Simplify right side
    384,686,738.56x = 110,672,591,226,165,456
  5. Step 5: Solve for x
    x = 110,672,591,226,165,456/384,686,738.56
  6. Step 6: Final answer
    x = 287,695,363.87

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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.