Home / 757,133,695.20-1,135,700,542.80-485,035,903.20

Finding the Fourth Proportional to 757,133,695.20, 1,135,700,542.80 and 485,035,903.20

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Solution

The fourth proportional to 757,133,695.20, 1,135,700,542.80 and 485,035,903.20 is: 727,553,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,133,695.20 : 1,135,700,542.80 = 485,035,903.20 : x
  2. Step 2: Convert to fraction form
    757,133,695.20/1,135,700,542.80 = 485,035,903.20/x
  3. Step 3: Cross multiply
    757,133,695.20x = 1,135,700,542.80 × 485,035,903.20
  4. Step 4: Simplify right side
    757,133,695.20x = 550,855,538,541,728,192
  5. Step 5: Solve for x
    x = 550,855,538,541,728,192/757,133,695.20
  6. Step 6: Final answer
    x = 727,553,854.80

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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.