Home / 807,409,942.92-1,114,226,169.48-436,131,977.94

Finding the Fourth Proportional to 807,409,942.92, 1,114,226,169.48 and 436,131,977.94

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Solution

The fourth proportional to 807,409,942.92, 1,114,226,169.48 and 436,131,977.94 is: 601,862,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,942.92 : 1,114,226,169.48 = 436,131,977.94 : x
  2. Step 2: Convert to fraction form
    807,409,942.92/1,114,226,169.48 = 436,131,977.94/x
  3. Step 3: Cross multiply
    807,409,942.92x = 1,114,226,169.48 × 436,131,977.94
  4. Step 4: Simplify right side
    807,409,942.92x = 485,949,663,167,822,080
  5. Step 5: Solve for x
    x = 485,949,663,167,822,080/807,409,942.92
  6. Step 6: Final answer
    x = 601,862,371.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.