Home / 7,091,712,012.80-10,637,568,019.20-6,994,966,131.20

Finding the Fourth Proportional to 7,091,712,012.80, 10,637,568,019.20 and 6,994,966,131.20

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Solution

The fourth proportional to 7,091,712,012.80, 10,637,568,019.20 and 6,994,966,131.20 is: 10,492,449,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,012.80 : 10,637,568,019.20 = 6,994,966,131.20 : x
  2. Step 2: Convert to fraction form
    7,091,712,012.80/10,637,568,019.20 = 6,994,966,131.20/x
  3. Step 3: Cross multiply
    7,091,712,012.80x = 10,637,568,019.20 × 6,994,966,131.20
  4. Step 4: Simplify right side
    7,091,712,012.80x = 74,409,428,012,640,272,384
  5. Step 5: Solve for x
    x = 74,409,428,012,640,272,384/7,091,712,012.80
  6. Step 6: Final answer
    x = 10,492,449,196.80

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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.