Home / 651,670,513.60-977,505,770.40-242,642,027.20

Finding the Fourth Proportional to 651,670,513.60, 977,505,770.40 and 242,642,027.20

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Solution

The fourth proportional to 651,670,513.60, 977,505,770.40 and 242,642,027.20 is: 363,963,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,670,513.60 : 977,505,770.40 = 242,642,027.20 : x
  2. Step 2: Convert to fraction form
    651,670,513.60/977,505,770.40 = 242,642,027.20/x
  3. Step 3: Cross multiply
    651,670,513.60x = 977,505,770.40 × 242,642,027.20
  4. Step 4: Simplify right side
    651,670,513.60x = 237,183,981,729,553,728
  5. Step 5: Solve for x
    x = 237,183,981,729,553,728/651,670,513.60
  6. Step 6: Final answer
    x = 363,963,040.80

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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.