Home / 1,648,358,784.75-2,472,920,620.55-542,923,971.73

Finding the Fourth Proportional to 1,648,358,784.75, 2,472,920,620.55 and 542,923,971.73

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Solution

The fourth proportional to 1,648,358,784.75, 2,472,920,620.55 and 542,923,971.73 is: 814,511,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,358,784.75 : 2,472,920,620.55 = 542,923,971.73 : x
  2. Step 2: Convert to fraction form
    1,648,358,784.75/2,472,920,620.55 = 542,923,971.73/x
  3. Step 3: Cross multiply
    1,648,358,784.75x = 2,472,920,620.55 × 542,923,971.73
  4. Step 4: Simplify right side
    1,648,358,784.75x = 1,342,607,885,082,022,400
  5. Step 5: Solve for x
    x = 1,342,607,885,082,022,400/1,648,358,784.75
  6. Step 6: Final answer
    x = 814,511,923.92

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Double scale
Find fourth proportional to 1,648,358,785.75, 2,472,920,622.05 and 542,923,972.73
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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.