Home / 384,782,981.06-531,007,317.70-208,576,828.10

Finding the Fourth Proportional to 384,782,981.06, 531,007,317.70 and 208,576,828.10

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Solution

The fourth proportional to 384,782,981.06, 531,007,317.70 and 208,576,828.10 is: 287,839,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,782,981.06 : 531,007,317.70 = 208,576,828.10 : x
  2. Step 2: Convert to fraction form
    384,782,981.06/531,007,317.70 = 208,576,828.10/x
  3. Step 3: Cross multiply
    384,782,981.06x = 531,007,317.70 × 208,576,828.10
  4. Step 4: Simplify right side
    384,782,981.06x = 110,755,822,023,754,976
  5. Step 5: Solve for x
    x = 110,755,822,023,754,976/384,782,981.06
  6. Step 6: Final answer
    x = 287,839,710.89

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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.