Home / 638,616,101.70-957,924,152.55-275,819,045.70

Finding the Fourth Proportional to 638,616,101.70, 957,924,152.55 and 275,819,045.70

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Solution

The fourth proportional to 638,616,101.70, 957,924,152.55 and 275,819,045.70 is: 413,728,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,616,101.70 : 957,924,152.55 = 275,819,045.70 : x
  2. Step 2: Convert to fraction form
    638,616,101.70/957,924,152.55 = 275,819,045.70/x
  3. Step 3: Cross multiply
    638,616,101.70x = 957,924,152.55 × 275,819,045.70
  4. Step 4: Simplify right side
    638,616,101.70x = 264,213,725,609,322,208
  5. Step 5: Solve for x
    x = 264,213,725,609,322,208/638,616,101.70
  6. Step 6: Final answer
    x = 413,728,568.55

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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.