Home / 653,201,999.70-979,802,999.55-290,404,943.70

Finding the Fourth Proportional to 653,201,999.70, 979,802,999.55 and 290,404,943.70

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Solution

The fourth proportional to 653,201,999.70, 979,802,999.55 and 290,404,943.70 is: 435,607,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,201,999.70 : 979,802,999.55 = 290,404,943.70 : x
  2. Step 2: Convert to fraction form
    653,201,999.70/979,802,999.55 = 290,404,943.70/x
  3. Step 3: Cross multiply
    653,201,999.70x = 979,802,999.55 × 290,404,943.70
  4. Step 4: Simplify right side
    653,201,999.70x = 284,539,634,921,408,864
  5. Step 5: Solve for x
    x = 284,539,634,921,408,864/653,201,999.70
  6. Step 6: Final answer
    x = 435,607,415.55

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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.