Home / 713,570,164.26-985,149,011.04-449,478,531.06

Finding the Fourth Proportional to 713,570,164.26, 985,149,011.04 and 449,478,531.06

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Solution

The fourth proportional to 713,570,164.26, 985,149,011.04 and 449,478,531.06 is: 620,546,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,570,164.26 : 985,149,011.04 = 449,478,531.06 : x
  2. Step 2: Convert to fraction form
    713,570,164.26/985,149,011.04 = 449,478,531.06/x
  3. Step 3: Cross multiply
    713,570,164.26x = 985,149,011.04 × 449,478,531.06
  4. Step 4: Simplify right side
    713,570,164.26x = 442,803,330,357,470,912
  5. Step 5: Solve for x
    x = 442,803,330,357,470,912/713,570,164.26
  6. Step 6: Final answer
    x = 620,546,307.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.