Home / 505,554,854.56-697,687,245.59-282,536,529.71

Finding the Fourth Proportional to 505,554,854.56, 697,687,245.59 and 282,536,529.71

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Solution

The fourth proportional to 505,554,854.56, 697,687,245.59 and 282,536,529.71 is: 389,912,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,554,854.56 : 697,687,245.59 = 282,536,529.71 : x
  2. Step 2: Convert to fraction form
    505,554,854.56/697,687,245.59 = 282,536,529.71/x
  3. Step 3: Cross multiply
    505,554,854.56x = 697,687,245.59 × 282,536,529.71
  4. Step 4: Simplify right side
    505,554,854.56x = 197,122,133,187,025,984
  5. Step 5: Solve for x
    x = 197,122,133,187,025,984/505,554,854.56
  6. Step 6: Final answer
    x = 389,912,452.45

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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.