Home / 319,763,926,930.82-479,649,575,042.20-115,572,621,066.16

Finding the Fourth Proportional to 319,763,926,930.82, 479,649,575,042.20 and 115,572,621,066.16

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Solution

The fourth proportional to 319,763,926,930.82, 479,649,575,042.20 and 115,572,621,066.16 is: 173,360,263,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763,926,930.82 : 479,649,575,042.20 = 115,572,621,066.16 : x
  2. Step 2: Convert to fraction form
    319,763,926,930.82/479,649,575,042.20 = 115,572,621,066.16/x
  3. Step 3: Cross multiply
    319,763,926,930.82x = 479,649,575,042.20 × 115,572,621,066.16
  4. Step 4: Simplify right side
    319,763,926,930.82x = 55,434,358,580,896,860,209,152
  5. Step 5: Solve for x
    x = 55,434,358,580,896,860,209,152/319,763,926,930.82
  6. Step 6: Final answer
    x = 173,360,263,344.81

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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.