Home / 29,290,364,834.88-40,429,305,833.94-19,130,645,879.40

Finding the Fourth Proportional to 29,290,364,834.88, 40,429,305,833.94 and 19,130,645,879.40

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Solution

The fourth proportional to 29,290,364,834.88, 40,429,305,833.94 and 19,130,645,879.40 is: 26,405,909,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290,364,834.88 : 40,429,305,833.94 = 19,130,645,879.40 : x
  2. Step 2: Convert to fraction form
    29,290,364,834.88/40,429,305,833.94 = 19,130,645,879.40/x
  3. Step 3: Cross multiply
    29,290,364,834.88x = 40,429,305,833.94 × 19,130,645,879.40
  4. Step 4: Simplify right side
    29,290,364,834.88x = 773,438,733,059,066,691,584
  5. Step 5: Solve for x
    x = 773,438,733,059,066,691,584/29,290,364,834.88
  6. Step 6: Final answer
    x = 26,405,909,841.66

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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.