Home / 229,383,258,449.04-343,980,221,555.61-78,301,728,849.80

Finding the Fourth Proportional to 229,383,258,449.04, 343,980,221,555.61 and 78,301,728,849.80

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Solution

The fourth proportional to 229,383,258,449.04, 343,980,221,555.61 and 78,301,728,849.80 is: 117,420,278,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,383,258,449.04 : 343,980,221,555.61 = 78,301,728,849.80 : x
  2. Step 2: Convert to fraction form
    229,383,258,449.04/343,980,221,555.61 = 78,301,728,849.80/x
  3. Step 3: Cross multiply
    229,383,258,449.04x = 343,980,221,555.61 × 78,301,728,849.80
  4. Step 4: Simplify right side
    229,383,258,449.04x = 26,934,246,037,939,780,845,568
  5. Step 5: Solve for x
    x = 26,934,246,037,939,780,845,568/229,383,258,449.04
  6. Step 6: Final answer
    x = 117,420,278,271.63

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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.