Home / 402,930,869.93-604,519,652.71-206,333,481.46

Finding the Fourth Proportional to 402,930,869.93, 604,519,652.71 and 206,333,481.46

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Solution

The fourth proportional to 402,930,869.93, 604,519,652.71 and 206,333,481.46 is: 309,563,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,869.93 : 604,519,652.71 = 206,333,481.46 : x
  2. Step 2: Convert to fraction form
    402,930,869.93/604,519,652.71 = 206,333,481.46/x
  3. Step 3: Cross multiply
    402,930,869.93x = 604,519,652.71 × 206,333,481.46
  4. Step 4: Simplify right side
    402,930,869.93x = 124,732,644,555,961,776
  5. Step 5: Solve for x
    x = 124,732,644,555,961,776/402,930,869.93
  6. Step 6: Final answer
    x = 309,563,386.34

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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.