Home / 807,409,505.80-1,114,225,565.70-436,131,538.84

Finding the Fourth Proportional to 807,409,505.80, 1,114,225,565.70 and 436,131,538.84

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Solution

The fourth proportional to 807,409,505.80, 1,114,225,565.70 and 436,131,538.84 is: 601,861,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,505.80 : 1,114,225,565.70 = 436,131,538.84 : x
  2. Step 2: Convert to fraction form
    807,409,505.80/1,114,225,565.70 = 436,131,538.84/x
  3. Step 3: Cross multiply
    807,409,505.80x = 1,114,225,565.70 × 436,131,538.84
  4. Step 4: Simplify right side
    807,409,505.80x = 485,948,910,583,610,496
  5. Step 5: Solve for x
    x = 485,948,910,583,610,496/807,409,505.80
  6. Step 6: Final answer
    x = 601,861,765.43

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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.