Home / 1,328,608,900.80-1,992,913,351.20-984,235,132.80

Finding the Fourth Proportional to 1,328,608,900.80, 1,992,913,351.20 and 984,235,132.80

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Solution

The fourth proportional to 1,328,608,900.80, 1,992,913,351.20 and 984,235,132.80 is: 1,476,352,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,608,900.80 : 1,992,913,351.20 = 984,235,132.80 : x
  2. Step 2: Convert to fraction form
    1,328,608,900.80/1,992,913,351.20 = 984,235,132.80/x
  3. Step 3: Cross multiply
    1,328,608,900.80x = 1,992,913,351.20 × 984,235,132.80
  4. Step 4: Simplify right side
    1,328,608,900.80x = 1,961,495,336,877,224,960
  5. Step 5: Solve for x
    x = 1,961,495,336,877,224,960/1,328,608,900.80
  6. Step 6: Final answer
    x = 1,476,352,699.20

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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.