Home / 19,399,641,975.60-29,099,462,963.40-8,370,611,473.20

Finding the Fourth Proportional to 19,399,641,975.60, 29,099,462,963.40 and 8,370,611,473.20

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Solution

The fourth proportional to 19,399,641,975.60, 29,099,462,963.40 and 8,370,611,473.20 is: 12,555,917,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,641,975.60 : 29,099,462,963.40 = 8,370,611,473.20 : x
  2. Step 2: Convert to fraction form
    19,399,641,975.60/29,099,462,963.40 = 8,370,611,473.20/x
  3. Step 3: Cross multiply
    19,399,641,975.60x = 29,099,462,963.40 × 8,370,611,473.20
  4. Step 4: Simplify right side
    19,399,641,975.60x = 243,580,298,545,394,515,968
  5. Step 5: Solve for x
    x = 243,580,298,545,394,515,968/19,399,641,975.60
  6. Step 6: Final answer
    x = 12,555,917,209.80

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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.