Home / 1,291,318,006.44-1,936,964,244.87-591,611,668.86

Finding the Fourth Proportional to 1,291,318,006.44, 1,936,964,244.87 and 591,611,668.86

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Solution

The fourth proportional to 1,291,318,006.44, 1,936,964,244.87 and 591,611,668.86 is: 887,411,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,318,006.44 : 1,936,964,244.87 = 591,611,668.86 : x
  2. Step 2: Convert to fraction form
    1,291,318,006.44/1,936,964,244.87 = 591,611,668.86/x
  3. Step 3: Cross multiply
    1,291,318,006.44x = 1,936,964,244.87 × 591,611,668.86
  4. Step 4: Simplify right side
    1,291,318,006.44x = 1,145,930,649,429,690,368
  5. Step 5: Solve for x
    x = 1,145,930,649,429,690,368/1,291,318,006.44
  6. Step 6: Final answer
    x = 887,411,655.16

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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.