Home / 1,600,128,698.70-2,400,325,758.45-509,580,986.70

Finding the Fourth Proportional to 1,600,128,698.70, 2,400,325,758.45 and 509,580,986.70

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Solution

The fourth proportional to 1,600,128,698.70, 2,400,325,758.45 and 509,580,986.70 is: 764,413,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,128,698.70 : 2,400,325,758.45 = 509,580,986.70 : x
  2. Step 2: Convert to fraction form
    1,600,128,698.70/2,400,325,758.45 = 509,580,986.70/x
  3. Step 3: Cross multiply
    1,600,128,698.70x = 2,400,325,758.45 × 509,580,986.70
  4. Step 4: Simplify right side
    1,600,128,698.70x = 1,223,160,368,392,376,832
  5. Step 5: Solve for x
    x = 1,223,160,368,392,376,832/1,600,128,698.70
  6. Step 6: Final answer
    x = 764,413,743.34

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Double scale
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1.5x scale

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.