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Finding the Fourth Proportional to 1,165,761,034.68, 1,608,751,795.50 and 670,713,814.20

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Solution

The fourth proportional to 1,165,761,034.68, 1,608,751,795.50 and 670,713,814.20 is: 925,585,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,761,034.68 : 1,608,751,795.50 = 670,713,814.20 : x
  2. Step 2: Convert to fraction form
    1,165,761,034.68/1,608,751,795.50 = 670,713,814.20/x
  3. Step 3: Cross multiply
    1,165,761,034.68x = 1,608,751,795.50 × 670,713,814.20
  4. Step 4: Simplify right side
    1,165,761,034.68x = 1,079,012,052,860,903,424
  5. Step 5: Solve for x
    x = 1,079,012,052,860,903,424/1,165,761,034.68
  6. Step 6: Final answer
    x = 925,585,965.53

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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.