Home / 747,950,806.56-1,032,177,301.20-417,939,854.88

Finding the Fourth Proportional to 747,950,806.56, 1,032,177,301.20 and 417,939,854.88

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Solution

The fourth proportional to 747,950,806.56, 1,032,177,301.20 and 417,939,854.88 is: 576,759,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,950,806.56 : 1,032,177,301.20 = 417,939,854.88 : x
  2. Step 2: Convert to fraction form
    747,950,806.56/1,032,177,301.20 = 417,939,854.88/x
  3. Step 3: Cross multiply
    747,950,806.56x = 1,032,177,301.20 × 417,939,854.88
  4. Step 4: Simplify right side
    747,950,806.56x = 431,388,031,473,958,080
  5. Step 5: Solve for x
    x = 431,388,031,473,958,080/747,950,806.56
  6. Step 6: Final answer
    x = 576,759,898.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.