Home / 525,745,380.80-788,543,421.60-180,714,929.60

Finding the Fourth Proportional to 525,745,380.80, 788,543,421.60 and 180,714,929.60

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Solution

The fourth proportional to 525,745,380.80, 788,543,421.60 and 180,714,929.60 is: 271,046,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,745,380.80 : 788,543,421.60 = 180,714,929.60 : x
  2. Step 2: Convert to fraction form
    525,745,380.80/788,543,421.60 = 180,714,929.60/x
  3. Step 3: Cross multiply
    525,745,380.80x = 788,543,421.60 × 180,714,929.60
  4. Step 4: Simplify right side
    525,745,380.80x = 142,501,568,920,987,120
  5. Step 5: Solve for x
    x = 142,501,568,920,987,120/525,745,380.80
  6. Step 6: Final answer
    x = 271,046,735.03

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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.