Home / 12,912,923,489.60-19,369,385,234.40-4,188,788,033.60

Finding the Fourth Proportional to 12,912,923,489.60, 19,369,385,234.40 and 4,188,788,033.60

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Solution

The fourth proportional to 12,912,923,489.60, 19,369,385,234.40 and 4,188,788,033.60 is: 6,283,182,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,923,489.60 : 19,369,385,234.40 = 4,188,788,033.60 : x
  2. Step 2: Convert to fraction form
    12,912,923,489.60/19,369,385,234.40 = 4,188,788,033.60/x
  3. Step 3: Cross multiply
    12,912,923,489.60x = 19,369,385,234.40 × 4,188,788,033.60
  4. Step 4: Simplify right side
    12,912,923,489.60x = 81,134,249,088,043,253,760
  5. Step 5: Solve for x
    x = 81,134,249,088,043,253,760/12,912,923,489.60
  6. Step 6: Final answer
    x = 6,283,182,050.40

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Double scale
Find fourth proportional to 12,912,923,490.60, 19,369,385,235.90 and 4,188,788,034.60
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.