Home / 479,889,097.72-719,860,550.63-134,815,820.81

Finding the Fourth Proportional to 479,889,097.72, 719,860,550.63 and 134,815,820.81

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Solution

The fourth proportional to 479,889,097.72, 719,860,550.63 and 134,815,820.81 is: 202,231,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,889,097.72 : 719,860,550.63 = 134,815,820.81 : x
  2. Step 2: Convert to fraction form
    479,889,097.72/719,860,550.63 = 134,815,820.81/x
  3. Step 3: Cross multiply
    479,889,097.72x = 719,860,550.63 × 134,815,820.81
  4. Step 4: Simplify right side
    479,889,097.72x = 97,048,590,997,648,640
  5. Step 5: Solve for x
    x = 97,048,590,997,648,640/479,889,097.72
  6. Step 6: Final answer
    x = 202,231,289.39

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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.