Home / 509,108,017.07-702,546,410.39-297,434,476.28

Finding the Fourth Proportional to 509,108,017.07, 702,546,410.39 and 297,434,476.28

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Solution

The fourth proportional to 509,108,017.07, 702,546,410.39 and 297,434,476.28 is: 410,446,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,108,017.07 : 702,546,410.39 = 297,434,476.28 : x
  2. Step 2: Convert to fraction form
    509,108,017.07/702,546,410.39 = 297,434,476.28/x
  3. Step 3: Cross multiply
    509,108,017.07x = 702,546,410.39 × 297,434,476.28
  4. Step 4: Simplify right side
    509,108,017.07x = 208,961,523,631,743,680
  5. Step 5: Solve for x
    x = 208,961,523,631,743,680/509,108,017.07
  6. Step 6: Final answer
    x = 410,446,342.68

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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.