Home / 646,445,801,750-969,669,635,872.05-263,989,877,064.25

Finding the Fourth Proportional to 646,445,801,750, 969,669,635,872.05 and 263,989,877,064.25

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Solution

The fourth proportional to 646,445,801,750, 969,669,635,872.05 and 263,989,877,064.25 is: 395,985,196,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,750 : 969,669,635,872.05 = 263,989,877,064.25 : x
  2. Step 2: Convert to fraction form
    646,445,801,750/969,669,635,872.05 = 263,989,877,064.25/x
  3. Step 3: Cross multiply
    646,445,801,750x = 969,669,635,872.05 × 263,989,877,064.25
  4. Step 4: Simplify right side
    646,445,801,750x = 255,982,967,966,798,568,226,816
  5. Step 5: Solve for x
    x = 255,982,967,966,798,568,226,816/646,445,801,750
  6. Step 6: Final answer
    x = 395,985,196,707.64

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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.