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Finding the Fourth Proportional to 425,139,401.60, 637,858,401.60 and 182,876,566.40

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Solution

The fourth proportional to 425,139,401.60, 637,858,401.60 and 182,876,566.40 is: 274,379,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,139,401.60 : 637,858,401.60 = 182,876,566.40 : x
  2. Step 2: Convert to fraction form
    425,139,401.60/637,858,401.60 = 182,876,566.40/x
  3. Step 3: Cross multiply
    425,139,401.60x = 637,858,401.60 × 182,876,566.40
  4. Step 4: Simplify right side
    425,139,401.60x = 116,649,354,334,000,272
  5. Step 5: Solve for x
    x = 116,649,354,334,000,272/425,139,401.60
  6. Step 6: Final answer
    x = 274,379,071.65

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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.