Home / 7,091,712,009.80-10,637,568,014.70-3,409,321,891.40

Finding the Fourth Proportional to 7,091,712,009.80, 10,637,568,014.70 and 3,409,321,891.40

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Solution

The fourth proportional to 7,091,712,009.80, 10,637,568,014.70 and 3,409,321,891.40 is: 5,113,982,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,009.80 : 10,637,568,014.70 = 3,409,321,891.40 : x
  2. Step 2: Convert to fraction form
    7,091,712,009.80/10,637,568,014.70 = 3,409,321,891.40/x
  3. Step 3: Cross multiply
    7,091,712,009.80x = 10,637,568,014.70 × 3,409,321,891.40
  4. Step 4: Simplify right side
    7,091,712,009.80x = 36,266,893,503,773,151,232
  5. Step 5: Solve for x
    x = 36,266,893,503,773,151,232/7,091,712,009.80
  6. Step 6: Final answer
    x = 5,113,982,837.10

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Double scale
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Similar ratio
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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.