Home / 561,445,200.26-774,742,380.53-310,544,192.26

Finding the Fourth Proportional to 561,445,200.26, 774,742,380.53 and 310,544,192.26

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Solution

The fourth proportional to 561,445,200.26, 774,742,380.53 and 310,544,192.26 is: 428,522,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,445,200.26 : 774,742,380.53 = 310,544,192.26 : x
  2. Step 2: Convert to fraction form
    561,445,200.26/774,742,380.53 = 310,544,192.26/x
  3. Step 3: Cross multiply
    561,445,200.26x = 774,742,380.53 × 310,544,192.26
  4. Step 4: Simplify right side
    561,445,200.26x = 240,591,746,771,278,400
  5. Step 5: Solve for x
    x = 240,591,746,771,278,400/561,445,200.26
  6. Step 6: Final answer
    x = 428,522,225.61

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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.