Home / 412,933,707.80-619,400,561.70-229,267,698.20

Finding the Fourth Proportional to 412,933,707.80, 619,400,561.70 and 229,267,698.20

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Solution

The fourth proportional to 412,933,707.80, 619,400,561.70 and 229,267,698.20 is: 343,901,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,933,707.80 : 619,400,561.70 = 229,267,698.20 : x
  2. Step 2: Convert to fraction form
    412,933,707.80/619,400,561.70 = 229,267,698.20/x
  3. Step 3: Cross multiply
    412,933,707.80x = 619,400,561.70 × 229,267,698.20
  4. Step 4: Simplify right side
    412,933,707.80x = 142,008,541,044,746,080
  5. Step 5: Solve for x
    x = 142,008,541,044,746,080/412,933,707.80
  6. Step 6: Final answer
    x = 343,901,547.30

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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.