Home / 402,930,891.84-604,519,685.64-206,333,503.38

Finding the Fourth Proportional to 402,930,891.84, 604,519,685.64 and 206,333,503.38

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Solution

The fourth proportional to 402,930,891.84, 604,519,685.64 and 206,333,503.38 is: 309,563,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,891.84 : 604,519,685.64 = 206,333,503.38 : x
  2. Step 2: Convert to fraction form
    402,930,891.84/604,519,685.64 = 206,333,503.38/x
  3. Step 3: Cross multiply
    402,930,891.84x = 604,519,685.64 × 206,333,503.38
  4. Step 4: Simplify right side
    402,930,891.84x = 124,732,664,600,277,472
  5. Step 5: Solve for x
    x = 124,732,664,600,277,472/402,930,891.84
  6. Step 6: Final answer
    x = 309,563,419.25

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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.