Home / 807,409,810.18-1,114,225,986.42-436,131,845.20

Finding the Fourth Proportional to 807,409,810.18, 1,114,225,986.42 and 436,131,845.20

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Solution

The fourth proportional to 807,409,810.18, 1,114,225,986.42 and 436,131,845.20 is: 601,862,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,810.18 : 1,114,225,986.42 = 436,131,845.20 : x
  2. Step 2: Convert to fraction form
    807,409,810.18/1,114,225,986.42 = 436,131,845.20/x
  3. Step 3: Cross multiply
    807,409,810.18x = 1,114,225,986.42 × 436,131,845.20
  4. Step 4: Simplify right side
    807,409,810.18x = 485,949,435,427,144,768
  5. Step 5: Solve for x
    x = 485,949,435,427,144,768/807,409,810.18
  6. Step 6: Final answer
    x = 601,862,188.57

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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.