Home / 755,840,011.20-1,133,760,016.80-573,097,790.40

Finding the Fourth Proportional to 755,840,011.20, 1,133,760,016.80 and 573,097,790.40

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Solution

The fourth proportional to 755,840,011.20, 1,133,760,016.80 and 573,097,790.40 is: 859,646,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,840,011.20 : 1,133,760,016.80 = 573,097,790.40 : x
  2. Step 2: Convert to fraction form
    755,840,011.20/1,133,760,016.80 = 573,097,790.40/x
  3. Step 3: Cross multiply
    755,840,011.20x = 1,133,760,016.80 × 573,097,790.40
  4. Step 4: Simplify right side
    755,840,011.20x = 649,755,360,471,946,880
  5. Step 5: Solve for x
    x = 649,755,360,471,946,880/755,840,011.20
  6. Step 6: Final answer
    x = 859,646,685.60

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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.