Home / 19,542,872,659.76-29,300,926,292.40-9,952,113,297.78

Finding the Fourth Proportional to 19,542,872,659.76, 29,300,926,292.40 and 9,952,113,297.78

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Solution

The fourth proportional to 19,542,872,659.76, 29,300,926,292.40 and 9,952,113,297.78 is: 14,921,354,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,872,659.76 : 29,300,926,292.40 = 9,952,113,297.78 : x
  2. Step 2: Convert to fraction form
    19,542,872,659.76/29,300,926,292.40 = 9,952,113,297.78/x
  3. Step 3: Cross multiply
    19,542,872,659.76x = 29,300,926,292.40 × 9,952,113,297.78
  4. Step 4: Simplify right side
    19,542,872,659.76x = 291,606,138,191,865,708,544
  5. Step 5: Solve for x
    x = 291,606,138,191,865,708,544/19,542,872,659.76
  6. Step 6: Final answer
    x = 14,921,354,872.88

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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.