Home / 7,768,514,542.33-10,721,380,869.71-4,759,763,978.17

Finding the Fourth Proportional to 7,768,514,542.33, 10,721,380,869.71 and 4,759,763,978.17

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Solution

The fourth proportional to 7,768,514,542.33, 10,721,380,869.71 and 4,759,763,978.17 is: 6,568,983,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,514,542.33 : 10,721,380,869.71 = 4,759,763,978.17 : x
  2. Step 2: Convert to fraction form
    7,768,514,542.33/10,721,380,869.71 = 4,759,763,978.17/x
  3. Step 3: Cross multiply
    7,768,514,542.33x = 10,721,380,869.71 × 4,759,763,978.17
  4. Step 4: Simplify right side
    7,768,514,542.33x = 51,031,242,459,886,600,192
  5. Step 5: Solve for x
    x = 51,031,242,459,886,600,192/7,768,514,542.33
  6. Step 6: Final answer
    x = 6,568,983,321.31

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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.