Home / 402,930,868.16-604,519,650.07-206,333,479.70

Finding the Fourth Proportional to 402,930,868.16, 604,519,650.07 and 206,333,479.70

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Solution

The fourth proportional to 402,930,868.16, 604,519,650.07 and 206,333,479.70 is: 309,563,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,868.16 : 604,519,650.07 = 206,333,479.70 : x
  2. Step 2: Convert to fraction form
    402,930,868.16/604,519,650.07 = 206,333,479.70/x
  3. Step 3: Cross multiply
    402,930,868.16x = 604,519,650.07 × 206,333,479.70
  4. Step 4: Simplify right side
    402,930,868.16x = 124,732,642,948,095,360
  5. Step 5: Solve for x
    x = 124,732,642,948,095,360/402,930,868.16
  6. Step 6: Final answer
    x = 309,563,383.71

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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.