Home / 7,091,712,021.80-10,637,568,032.70-6,994,966,140.20

Finding the Fourth Proportional to 7,091,712,021.80, 10,637,568,032.70 and 6,994,966,140.20

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Solution

The fourth proportional to 7,091,712,021.80, 10,637,568,032.70 and 6,994,966,140.20 is: 10,492,449,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,021.80 : 10,637,568,032.70 = 6,994,966,140.20 : x
  2. Step 2: Convert to fraction form
    7,091,712,021.80/10,637,568,032.70 = 6,994,966,140.20/x
  3. Step 3: Cross multiply
    7,091,712,021.80x = 10,637,568,032.70 × 6,994,966,140.20
  4. Step 4: Simplify right side
    7,091,712,021.80x = 74,409,428,202,810,425,344
  5. Step 5: Solve for x
    x = 74,409,428,202,810,425,344/7,091,712,021.80
  6. Step 6: Final answer
    x = 10,492,449,210.30

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Half scale
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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.