Home / 646,445,801,705.60-969,669,635,805.60-263,989,877,019.77

Finding the Fourth Proportional to 646,445,801,705.60, 969,669,635,805.60 and 263,989,877,019.77

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Solution

The fourth proportional to 646,445,801,705.60, 969,669,635,805.60 and 263,989,877,019.77 is: 395,985,196,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,705.60 : 969,669,635,805.60 = 263,989,877,019.77 : x
  2. Step 2: Convert to fraction form
    646,445,801,705.60/969,669,635,805.60 = 263,989,877,019.77/x
  3. Step 3: Cross multiply
    646,445,801,705.60x = 969,669,635,805.60 × 263,989,877,019.77
  4. Step 4: Simplify right side
    646,445,801,705.60x = 255,982,967,906,125,477,838,848
  5. Step 5: Solve for x
    x = 255,982,967,906,125,477,838,848/646,445,801,705.60
  6. Step 6: Final answer
    x = 395,985,196,640.98

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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.