Home / 253,174,150.40-379,761,225.60-242,970,483.20

Finding the Fourth Proportional to 253,174,150.40, 379,761,225.60 and 242,970,483.20

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Solution

The fourth proportional to 253,174,150.40, 379,761,225.60 and 242,970,483.20 is: 364,455,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,174,150.40 : 379,761,225.60 = 242,970,483.20 : x
  2. Step 2: Convert to fraction form
    253,174,150.40/379,761,225.60 = 242,970,483.20/x
  3. Step 3: Cross multiply
    253,174,150.40x = 379,761,225.60 × 242,970,483.20
  4. Step 4: Simplify right side
    253,174,150.40x = 92,270,768,484,656,208
  5. Step 5: Solve for x
    x = 92,270,768,484,656,208/253,174,150.40
  6. Step 6: Final answer
    x = 364,455,724.80

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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.