Home / 781,668,066,213.39-1,171,830,577,199.50-271,660,572,511.68

Finding the Fourth Proportional to 781,668,066,213.39, 1,171,830,577,199.50 and 271,660,572,511.68

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Solution

The fourth proportional to 781,668,066,213.39, 1,171,830,577,199.50 and 271,660,572,511.68 is: 407,257,478,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,668,066,213.39 : 1,171,830,577,199.50 = 271,660,572,511.68 : x
  2. Step 2: Convert to fraction form
    781,668,066,213.39/1,171,830,577,199.50 = 271,660,572,511.68/x
  3. Step 3: Cross multiply
    781,668,066,213.39x = 1,171,830,577,199.50 × 271,660,572,511.68
  4. Step 4: Simplify right side
    781,668,066,213.39x = 318,340,165,488,708,566,384,640
  5. Step 5: Solve for x
    x = 318,340,165,488,708,566,384,640/781,668,066,213.39
  6. Step 6: Final answer
    x = 407,257,478,268.03

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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.