Home / 807,409,797.19-1,114,225,968.45-436,131,832.21

Finding the Fourth Proportional to 807,409,797.19, 1,114,225,968.45 and 436,131,832.21

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Solution

The fourth proportional to 807,409,797.19, 1,114,225,968.45 and 436,131,832.21 is: 601,862,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,797.19 : 1,114,225,968.45 = 436,131,832.21 : x
  2. Step 2: Convert to fraction form
    807,409,797.19/1,114,225,968.45 = 436,131,832.21/x
  3. Step 3: Cross multiply
    807,409,797.19x = 1,114,225,968.45 × 436,131,832.21
  4. Step 4: Simplify right side
    807,409,797.19x = 485,949,413,114,909,632
  5. Step 5: Solve for x
    x = 485,949,413,114,909,632/807,409,797.19
  6. Step 6: Final answer
    x = 601,862,170.62

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Double scale
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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.