Home / 537,531,488.70-741,397,404.02-405,378,055.23

Finding the Fourth Proportional to 537,531,488.70, 741,397,404.02 and 405,378,055.23

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Solution

The fourth proportional to 537,531,488.70, 741,397,404.02 and 405,378,055.23 is: 559,123,035.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,531,488.70 : 741,397,404.02 = 405,378,055.23 : x
  2. Step 2: Convert to fraction form
    537,531,488.70/741,397,404.02 = 405,378,055.23/x
  3. Step 3: Cross multiply
    537,531,488.70x = 741,397,404.02 × 405,378,055.23
  4. Step 4: Simplify right side
    537,531,488.70x = 300,546,237,792,171,328
  5. Step 5: Solve for x
    x = 300,546,237,792,171,328/537,531,488.70
  6. Step 6: Final answer
    x = 559,123,035.79

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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.