Home / 29,290,364,833.88-40,429,305,832.56-19,130,645,878.40

Finding the Fourth Proportional to 29,290,364,833.88, 40,429,305,832.56 and 19,130,645,878.40

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Solution

The fourth proportional to 29,290,364,833.88, 40,429,305,832.56 and 19,130,645,878.40 is: 26,405,909,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290,364,833.88 : 40,429,305,832.56 = 19,130,645,878.40 : x
  2. Step 2: Convert to fraction form
    29,290,364,833.88/40,429,305,832.56 = 19,130,645,878.40/x
  3. Step 3: Cross multiply
    29,290,364,833.88x = 40,429,305,832.56 × 19,130,645,878.40
  4. Step 4: Simplify right side
    29,290,364,833.88x = 773,438,732,992,237,010,944
  5. Step 5: Solve for x
    x = 773,438,732,992,237,010,944/29,290,364,833.88
  6. Step 6: Final answer
    x = 26,405,909,840.28

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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.