Home / 1,505,047,923.45-2,257,594,578.03-522,505,663.70

Finding the Fourth Proportional to 1,505,047,923.45, 2,257,594,578.03 and 522,505,663.70

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Solution

The fourth proportional to 1,505,047,923.45, 2,257,594,578.03 and 522,505,663.70 is: 783,766,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,047,923.45 : 2,257,594,578.03 = 522,505,663.70 : x
  2. Step 2: Convert to fraction form
    1,505,047,923.45/2,257,594,578.03 = 522,505,663.70/x
  3. Step 3: Cross multiply
    1,505,047,923.45x = 2,257,594,578.03 × 522,505,663.70
  4. Step 4: Simplify right side
    1,505,047,923.45x = 1,179,605,953,347,798,784
  5. Step 5: Solve for x
    x = 1,179,605,953,347,798,784/1,505,047,923.45
  6. Step 6: Final answer
    x = 783,766,373.79

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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.