Home / 10,212,142,370.64-15,296,761,663.80-6,479,512,436.28

Finding the Fourth Proportional to 10,212,142,370.64, 15,296,761,663.80 and 6,479,512,436.28

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Solution

The fourth proportional to 10,212,142,370.64, 15,296,761,663.80 and 6,479,512,436.28 is: 9,705,657,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,142,370.64 : 15,296,761,663.80 = 6,479,512,436.28 : x
  2. Step 2: Convert to fraction form
    10,212,142,370.64/15,296,761,663.80 = 6,479,512,436.28/x
  3. Step 3: Cross multiply
    10,212,142,370.64x = 15,296,761,663.80 × 6,479,512,436.28
  4. Step 4: Simplify right side
    10,212,142,370.64x = 99,115,557,435,403,239,424
  5. Step 5: Solve for x
    x = 99,115,557,435,403,239,424/10,212,142,370.64
  6. Step 6: Final answer
    x = 9,705,657,621.89

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Double scale
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1.5x scale

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.