Home / 47,739,497,987.19-71,609,247,050.79-19,402,790,486.48

Finding the Fourth Proportional to 47,739,497,987.19, 71,609,247,050.79 and 19,402,790,486.48

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Solution

The fourth proportional to 47,739,497,987.19, 71,609,247,050.79 and 19,402,790,486.48 is: 29,104,185,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739,497,987.19 : 71,609,247,050.79 = 19,402,790,486.48 : x
  2. Step 2: Convert to fraction form
    47,739,497,987.19/71,609,247,050.79 = 19,402,790,486.48/x
  3. Step 3: Cross multiply
    47,739,497,987.19x = 71,609,247,050.79 × 19,402,790,486.48
  4. Step 4: Simplify right side
    47,739,497,987.19x = 1,389,419,217,420,705,857,536
  5. Step 5: Solve for x
    x = 1,389,419,217,420,705,857,536/47,739,497,987.19
  6. Step 6: Final answer
    x = 29,104,185,758.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.