Home / 784,003,391.87-1,176,017,557.77-436,458,471.14

Finding the Fourth Proportional to 784,003,391.87, 1,176,017,557.77 and 436,458,471.14

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Solution

The fourth proportional to 784,003,391.87, 1,176,017,557.77 and 436,458,471.14 is: 654,694,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,003,391.87 : 1,176,017,557.77 = 436,458,471.14 : x
  2. Step 2: Convert to fraction form
    784,003,391.87/1,176,017,557.77 = 436,458,471.14/x
  3. Step 3: Cross multiply
    784,003,391.87x = 1,176,017,557.77 × 436,458,471.14
  4. Step 4: Simplify right side
    784,003,391.87x = 513,282,825,301,030,848
  5. Step 5: Solve for x
    x = 513,282,825,301,030,848/784,003,391.87
  6. Step 6: Final answer
    x = 654,694,648.81

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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.