Home / 625,146,915.35-937,482,013.01-210,512,412.20

Finding the Fourth Proportional to 625,146,915.35, 937,482,013.01 and 210,512,412.20

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Solution

The fourth proportional to 625,146,915.35, 937,482,013.01 and 210,512,412.20 is: 315,688,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,146,915.35 : 937,482,013.01 = 210,512,412.20 : x
  2. Step 2: Convert to fraction form
    625,146,915.35/937,482,013.01 = 210,512,412.20/x
  3. Step 3: Cross multiply
    625,146,915.35x = 937,482,013.01 × 210,512,412.20
  4. Step 4: Simplify right side
    625,146,915.35x = 197,351,599,955,716,864
  5. Step 5: Solve for x
    x = 197,351,599,955,716,864/625,146,915.35
  6. Step 6: Final answer
    x = 315,688,352.78

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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.