Home / 402,930,878.36-604,519,665.36-206,333,489.90

Finding the Fourth Proportional to 402,930,878.36, 604,519,665.36 and 206,333,489.90

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Solution

The fourth proportional to 402,930,878.36, 604,519,665.36 and 206,333,489.90 is: 309,563,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,878.36 : 604,519,665.36 = 206,333,489.90 : x
  2. Step 2: Convert to fraction form
    402,930,878.36/604,519,665.36 = 206,333,489.90/x
  3. Step 3: Cross multiply
    402,930,878.36x = 604,519,665.36 × 206,333,489.90
  4. Step 4: Simplify right side
    402,930,878.36x = 124,732,652,266,908,944
  5. Step 5: Solve for x
    x = 124,732,652,266,908,944/402,930,878.36
  6. Step 6: Final answer
    x = 309,563,399.00

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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.