Home / 856,992,554.52-1,182,662,683.38-480,732,548.28

Finding the Fourth Proportional to 856,992,554.52, 1,182,662,683.38 and 480,732,548.28

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Solution

The fourth proportional to 856,992,554.52, 1,182,662,683.38 and 480,732,548.28 is: 663,418,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,992,554.52 : 1,182,662,683.38 = 480,732,548.28 : x
  2. Step 2: Convert to fraction form
    856,992,554.52/1,182,662,683.38 = 480,732,548.28/x
  3. Step 3: Cross multiply
    856,992,554.52x = 1,182,662,683.38 × 480,732,548.28
  4. Step 4: Simplify right side
    856,992,554.52x = 568,544,445,536,930,240
  5. Step 5: Solve for x
    x = 568,544,445,536,930,240/856,992,554.52
  6. Step 6: Final answer
    x = 663,418,185.54

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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.