Home / 891,616,822.60-1,336,291,493.10-430,562,230.60

Finding the Fourth Proportional to 891,616,822.60, 1,336,291,493.10 and 430,562,230.60

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Solution

The fourth proportional to 891,616,822.60, 1,336,291,493.10 and 430,562,230.60 is: 645,295,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,616,822.60 : 1,336,291,493.10 = 430,562,230.60 : x
  2. Step 2: Convert to fraction form
    891,616,822.60/1,336,291,493.10 = 430,562,230.60/x
  3. Step 3: Cross multiply
    891,616,822.60x = 1,336,291,493.10 × 430,562,230.60
  4. Step 4: Simplify right side
    891,616,822.60x = 575,356,646,000,940,480
  5. Step 5: Solve for x
    x = 575,356,646,000,940,480/891,616,822.60
  6. Step 6: Final answer
    x = 645,295,861.87

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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.