Home / 1,119,759,481.60-1,679,639,222.40-659,460,716.80

Finding the Fourth Proportional to 1,119,759,481.60, 1,679,639,222.40 and 659,460,716.80

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Solution

The fourth proportional to 1,119,759,481.60, 1,679,639,222.40 and 659,460,716.80 is: 989,191,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,759,481.60 : 1,679,639,222.40 = 659,460,716.80 : x
  2. Step 2: Convert to fraction form
    1,119,759,481.60/1,679,639,222.40 = 659,460,716.80/x
  3. Step 3: Cross multiply
    1,119,759,481.60x = 1,679,639,222.40 × 659,460,716.80
  4. Step 4: Simplify right side
    1,119,759,481.60x = 1,107,656,085,569,298,560
  5. Step 5: Solve for x
    x = 1,107,656,085,569,298,560/1,119,759,481.60
  6. Step 6: Final answer
    x = 989,191,075.20

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Double scale
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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.