Home / 319,763,926,931.82-479,649,575,043.70-115,572,621,067.16

Finding the Fourth Proportional to 319,763,926,931.82, 479,649,575,043.70 and 115,572,621,067.16

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Solution

The fourth proportional to 319,763,926,931.82, 479,649,575,043.70 and 115,572,621,067.16 is: 173,360,263,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763,926,931.82 : 479,649,575,043.70 = 115,572,621,067.16 : x
  2. Step 2: Convert to fraction form
    319,763,926,931.82/479,649,575,043.70 = 115,572,621,067.16/x
  3. Step 3: Cross multiply
    319,763,926,931.82x = 479,649,575,043.70 × 115,572,621,067.16
  4. Step 4: Simplify right side
    319,763,926,931.82x = 55,434,358,581,549,863,010,304
  5. Step 5: Solve for x
    x = 55,434,358,581,549,863,010,304/319,763,926,931.82
  6. Step 6: Final answer
    x = 173,360,263,346.31

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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.