Home / 1,213,100,723.40-1,819,651,085.10-1,165,483,609.80

Finding the Fourth Proportional to 1,213,100,723.40, 1,819,651,085.10 and 1,165,483,609.80

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Solution

The fourth proportional to 1,213,100,723.40, 1,819,651,085.10 and 1,165,483,609.80 is: 1,748,225,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,100,723.40 : 1,819,651,085.10 = 1,165,483,609.80 : x
  2. Step 2: Convert to fraction form
    1,213,100,723.40/1,819,651,085.10 = 1,165,483,609.80/x
  3. Step 3: Cross multiply
    1,213,100,723.40x = 1,819,651,085.10 × 1,165,483,609.80
  4. Step 4: Simplify right side
    1,213,100,723.40x = 2,120,773,515,238,834,688
  5. Step 5: Solve for x
    x = 2,120,773,515,238,834,688/1,213,100,723.40
  6. Step 6: Final answer
    x = 1,748,225,414.70

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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.