Home / 1,451,280,781.55-2,176,113,556.87-861,310,762.67

Finding the Fourth Proportional to 1,451,280,781.55, 2,176,113,556.87 and 861,310,762.67

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Solution

The fourth proportional to 1,451,280,781.55, 2,176,113,556.87 and 861,310,762.67 is: 1,291,486,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,280,781.55 : 2,176,113,556.87 = 861,310,762.67 : x
  2. Step 2: Convert to fraction form
    1,451,280,781.55/2,176,113,556.87 = 861,310,762.67/x
  3. Step 3: Cross multiply
    1,451,280,781.55x = 2,176,113,556.87 × 861,310,762.67
  4. Step 4: Simplify right side
    1,451,280,781.55x = 1,874,310,027,324,226,048
  5. Step 5: Solve for x
    x = 1,874,310,027,324,226,048/1,451,280,781.55
  6. Step 6: Final answer
    x = 1,291,486,837.80

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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.