Home / 1,653,439,489.56-2,479,298,053.88-779,806,286.88

Finding the Fourth Proportional to 1,653,439,489.56, 2,479,298,053.88 and 779,806,286.88

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Solution

The fourth proportional to 1,653,439,489.56, 2,479,298,053.88 and 779,806,286.88 is: 1,169,303,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,439,489.56 : 2,479,298,053.88 = 779,806,286.88 : x
  2. Step 2: Convert to fraction form
    1,653,439,489.56/2,479,298,053.88 = 779,806,286.88/x
  3. Step 3: Cross multiply
    1,653,439,489.56x = 2,479,298,053.88 × 779,806,286.88
  4. Step 4: Simplify right side
    1,653,439,489.56x = 1,933,372,209,464,973,056
  5. Step 5: Solve for x
    x = 1,933,372,209,464,973,056/1,653,439,489.56
  6. Step 6: Final answer
    x = 1,169,303,274.58

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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.