Home / 293,418,145.80-440,127,218.70-220,238,720.10

Finding the Fourth Proportional to 293,418,145.80, 440,127,218.70 and 220,238,720.10

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Solution

The fourth proportional to 293,418,145.80, 440,127,218.70 and 220,238,720.10 is: 330,358,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,418,145.80 : 440,127,218.70 = 220,238,720.10 : x
  2. Step 2: Convert to fraction form
    293,418,145.80/440,127,218.70 = 220,238,720.10/x
  3. Step 3: Cross multiply
    293,418,145.80x = 440,127,218.70 × 220,238,720.10
  4. Step 4: Simplify right side
    293,418,145.80x = 96,933,055,327,660,784
  5. Step 5: Solve for x
    x = 96,933,055,327,660,784/293,418,145.80
  6. Step 6: Final answer
    x = 330,358,080.15

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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.