Home / 1,328,609,114.55-1,992,913,671.83-984,235,346.55

Finding the Fourth Proportional to 1,328,609,114.55, 1,992,913,671.83 and 984,235,346.55

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Solution

The fourth proportional to 1,328,609,114.55, 1,992,913,671.83 and 984,235,346.55 is: 1,476,353,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,609,114.55 : 1,992,913,671.83 = 984,235,346.55 : x
  2. Step 2: Convert to fraction form
    1,328,609,114.55/1,992,913,671.83 = 984,235,346.55/x
  3. Step 3: Cross multiply
    1,328,609,114.55x = 1,992,913,671.83 × 984,235,346.55
  4. Step 4: Simplify right side
    1,328,609,114.55x = 1,961,496,078,432,911,872
  5. Step 5: Solve for x
    x = 1,961,496,078,432,911,872/1,328,609,114.55
  6. Step 6: Final answer
    x = 1,476,353,019.83

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Double scale
Find fourth proportional to 1,328,609,115.55, 1,992,913,673.33 and 984,235,347.55
Similar ratio
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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.