Home / 493,148,944.36-680,550,544.74-297,540,865

Finding the Fourth Proportional to 493,148,944.36, 680,550,544.74 and 297,540,865

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Solution

The fourth proportional to 493,148,944.36, 680,550,544.74 and 297,540,865 is: 410,609,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,148,944.36 : 680,550,544.74 = 297,540,865 : x
  2. Step 2: Convert to fraction form
    493,148,944.36/680,550,544.74 = 297,540,865/x
  3. Step 3: Cross multiply
    493,148,944.36x = 680,550,544.74 × 297,540,865
  4. Step 4: Simplify right side
    493,148,944.36x = 202,491,597,758,160,800
  5. Step 5: Solve for x
    x = 202,491,597,758,160,800/493,148,944.36
  6. Step 6: Final answer
    x = 410,609,411.36

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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.