Home / 319,763,926,938.72-479,649,575,054.02-115,572,621,074.04

Finding the Fourth Proportional to 319,763,926,938.72, 479,649,575,054.02 and 115,572,621,074.04

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Solution

The fourth proportional to 319,763,926,938.72, 479,649,575,054.02 and 115,572,621,074.04 is: 173,360,263,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763,926,938.72 : 479,649,575,054.02 = 115,572,621,074.04 : x
  2. Step 2: Convert to fraction form
    319,763,926,938.72/479,649,575,054.02 = 115,572,621,074.04/x
  3. Step 3: Cross multiply
    319,763,926,938.72x = 479,649,575,054.02 × 115,572,621,074.04
  4. Step 4: Simplify right side
    319,763,926,938.72x = 55,434,358,586,042,558,185,472
  5. Step 5: Solve for x
    x = 55,434,358,586,042,558,185,472/319,763,926,938.72
  6. Step 6: Final answer
    x = 173,360,263,356.62

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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.