Home / 539,027,731.48-743,860,497.20-291,509,080.60

Finding the Fourth Proportional to 539,027,731.48, 743,860,497.20 and 291,509,080.60

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Solution

The fourth proportional to 539,027,731.48, 743,860,497.20 and 291,509,080.60 is: 402,283,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,027,731.48 : 743,860,497.20 = 291,509,080.60 : x
  2. Step 2: Convert to fraction form
    539,027,731.48/743,860,497.20 = 291,509,080.60/x
  3. Step 3: Cross multiply
    539,027,731.48x = 743,860,497.20 × 291,509,080.60
  4. Step 4: Simplify right side
    539,027,731.48x = 216,842,089,633,430,912
  5. Step 5: Solve for x
    x = 216,842,089,633,430,912/539,027,731.48
  6. Step 6: Final answer
    x = 402,283,736.01

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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.