Home / 1,556,659,539.07-2,148,190,141.85-851,811,499.82

Finding the Fourth Proportional to 1,556,659,539.07, 2,148,190,141.85 and 851,811,499.82

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Solution

The fourth proportional to 1,556,659,539.07, 2,148,190,141.85 and 851,811,499.82 is: 1,175,499,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,659,539.07 : 2,148,190,141.85 = 851,811,499.82 : x
  2. Step 2: Convert to fraction form
    1,556,659,539.07/2,148,190,141.85 = 851,811,499.82/x
  3. Step 3: Cross multiply
    1,556,659,539.07x = 2,148,190,141.85 × 851,811,499.82
  4. Step 4: Simplify right side
    1,556,659,539.07x = 1,829,853,066,632,135,424
  5. Step 5: Solve for x
    x = 1,829,853,066,632,135,424/1,556,659,539.07
  6. Step 6: Final answer
    x = 1,175,499,857.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.