Home / 309,708,524,352.10-464,612,431,879.32-130,660,884,599.80

Finding the Fourth Proportional to 309,708,524,352.10, 464,612,431,879.32 and 130,660,884,599.80

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Solution

The fourth proportional to 309,708,524,352.10, 464,612,431,879.32 and 130,660,884,599.80 is: 196,012,271,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,708,524,352.10 : 464,612,431,879.32 = 130,660,884,599.80 : x
  2. Step 2: Convert to fraction form
    309,708,524,352.10/464,612,431,879.32 = 130,660,884,599.80/x
  3. Step 3: Cross multiply
    309,708,524,352.10x = 464,612,431,879.32 × 130,660,884,599.80
  4. Step 4: Simplify right side
    309,708,524,352.10x = 60,706,671,345,416,267,628,544
  5. Step 5: Solve for x
    x = 60,706,671,345,416,267,628,544/309,708,524,352.10
  6. Step 6: Final answer
    x = 196,012,271,449.14

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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.