Home / 7,091,712,010.30-10,637,568,015.45-6,994,966,128.70

Finding the Fourth Proportional to 7,091,712,010.30, 10,637,568,015.45 and 6,994,966,128.70

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Solution

The fourth proportional to 7,091,712,010.30, 10,637,568,015.45 and 6,994,966,128.70 is: 10,492,449,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,010.30 : 10,637,568,015.45 = 6,994,966,128.70 : x
  2. Step 2: Convert to fraction form
    7,091,712,010.30/10,637,568,015.45 = 6,994,966,128.70/x
  3. Step 3: Cross multiply
    7,091,712,010.30x = 10,637,568,015.45 × 6,994,966,128.70
  4. Step 4: Simplify right side
    7,091,712,010.30x = 74,409,427,959,815,225,344
  5. Step 5: Solve for x
    x = 74,409,427,959,815,225,344/7,091,712,010.30
  6. Step 6: Final answer
    x = 10,492,449,193.05

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Double scale
Find fourth proportional to 7,091,712,011.30, 10,637,568,016.95 and 6,994,966,129.70
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.