Home / 38,414,272,477.76-53,010,557,481.12-21,267,889,962.56

Finding the Fourth Proportional to 38,414,272,477.76, 53,010,557,481.12 and 21,267,889,962.56

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Solution

The fourth proportional to 38,414,272,477.76, 53,010,557,481.12 and 21,267,889,962.56 is: 29,349,057,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414,272,477.76 : 53,010,557,481.12 = 21,267,889,962.56 : x
  2. Step 2: Convert to fraction form
    38,414,272,477.76/53,010,557,481.12 = 21,267,889,962.56/x
  3. Step 3: Cross multiply
    38,414,272,477.76x = 53,010,557,481.12 × 21,267,889,962.56
  4. Step 4: Simplify right side
    38,414,272,477.76x = 1,127,422,703,362,422,079,488
  5. Step 5: Solve for x
    x = 1,127,422,703,362,422,079,488/38,414,272,477.76
  6. Step 6: Final answer
    x = 29,349,057,801.76

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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.