Home / 1,296,520,541.76-1,944,649,929.36-879,022,588.80

Finding the Fourth Proportional to 1,296,520,541.76, 1,944,649,929.36 and 879,022,588.80

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Solution

The fourth proportional to 1,296,520,541.76, 1,944,649,929.36 and 879,022,588.80 is: 1,318,445,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,520,541.76 : 1,944,649,929.36 = 879,022,588.80 : x
  2. Step 2: Convert to fraction form
    1,296,520,541.76/1,944,649,929.36 = 879,022,588.80/x
  3. Step 3: Cross multiply
    1,296,520,541.76x = 1,944,649,929.36 × 879,022,588.80
  4. Step 4: Simplify right side
    1,296,520,541.76x = 1,709,391,215,215,764,224
  5. Step 5: Solve for x
    x = 1,709,391,215,215,764,224/1,296,520,541.76
  6. Step 6: Final answer
    x = 1,318,445,146.19

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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.