Home / 21,097,760,460.10-31,646,640,690.15-6,378,053,733.70

Finding the Fourth Proportional to 21,097,760,460.10, 31,646,640,690.15 and 6,378,053,733.70

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Solution

The fourth proportional to 21,097,760,460.10, 31,646,640,690.15 and 6,378,053,733.70 is: 9,567,080,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097,760,460.10 : 31,646,640,690.15 = 6,378,053,733.70 : x
  2. Step 2: Convert to fraction form
    21,097,760,460.10/31,646,640,690.15 = 6,378,053,733.70/x
  3. Step 3: Cross multiply
    21,097,760,460.10x = 31,646,640,690.15 × 6,378,053,733.70
  4. Step 4: Simplify right side
    21,097,760,460.10x = 201,843,974,812,873,555,968
  5. Step 5: Solve for x
    x = 201,843,974,812,873,555,968/21,097,760,460.10
  6. Step 6: Final answer
    x = 9,567,080,600.55

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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.