Home / 21,097,760,460.60-31,646,640,690.90-6,378,053,734.20

Finding the Fourth Proportional to 21,097,760,460.60, 31,646,640,690.90 and 6,378,053,734.20

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Solution

The fourth proportional to 21,097,760,460.60, 31,646,640,690.90 and 6,378,053,734.20 is: 9,567,080,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097,760,460.60 : 31,646,640,690.90 = 6,378,053,734.20 : x
  2. Step 2: Convert to fraction form
    21,097,760,460.60/31,646,640,690.90 = 6,378,053,734.20/x
  3. Step 3: Cross multiply
    21,097,760,460.60x = 31,646,640,690.90 × 6,378,053,734.20
  4. Step 4: Simplify right side
    21,097,760,460.60x = 201,843,974,833,480,400,896
  5. Step 5: Solve for x
    x = 201,843,974,833,480,400,896/21,097,760,460.60
  6. Step 6: Final answer
    x = 9,567,080,601.30

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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.