Home / 509,108,017.82-702,546,411.42-297,434,477.03

Finding the Fourth Proportional to 509,108,017.82, 702,546,411.42 and 297,434,477.03

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Solution

The fourth proportional to 509,108,017.82, 702,546,411.42 and 297,434,477.03 is: 410,446,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,108,017.82 : 702,546,411.42 = 297,434,477.03 : x
  2. Step 2: Convert to fraction form
    509,108,017.82/702,546,411.42 = 297,434,477.03/x
  3. Step 3: Cross multiply
    509,108,017.82x = 702,546,411.42 × 297,434,477.03
  4. Step 4: Simplify right side
    509,108,017.82x = 208,961,524,466,498,144
  5. Step 5: Solve for x
    x = 208,961,524,466,498,144/509,108,017.82
  6. Step 6: Final answer
    x = 410,446,343.71

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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.