Home / 319,763,926,935.71-479,649,575,049.51-115,572,621,071.04

Finding the Fourth Proportional to 319,763,926,935.71, 479,649,575,049.51 and 115,572,621,071.04

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Solution

The fourth proportional to 319,763,926,935.71, 479,649,575,049.51 and 115,572,621,071.04 is: 173,360,263,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763,926,935.71 : 479,649,575,049.51 = 115,572,621,071.04 : x
  2. Step 2: Convert to fraction form
    319,763,926,935.71/479,649,575,049.51 = 115,572,621,071.04/x
  3. Step 3: Cross multiply
    319,763,926,935.71x = 479,649,575,049.51 × 115,572,621,071.04
  4. Step 4: Simplify right side
    319,763,926,935.71x = 55,434,358,584,082,375,376,896
  5. Step 5: Solve for x
    x = 55,434,358,584,082,375,376,896/319,763,926,935.71
  6. Step 6: Final answer
    x = 173,360,263,352.12

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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.