Home / 1,978,887,276.04-2,968,329,208.62-505,026,966.56

Finding the Fourth Proportional to 1,978,887,276.04, 2,968,329,208.62 and 505,026,966.56

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Solution

The fourth proportional to 1,978,887,276.04, 2,968,329,208.62 and 505,026,966.56 is: 757,540,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,887,276.04 : 2,968,329,208.62 = 505,026,966.56 : x
  2. Step 2: Convert to fraction form
    1,978,887,276.04/2,968,329,208.62 = 505,026,966.56/x
  3. Step 3: Cross multiply
    1,978,887,276.04x = 2,968,329,208.62 × 505,026,966.56
  4. Step 4: Simplify right side
    1,978,887,276.04x = 1,499,086,295,980,803,840
  5. Step 5: Solve for x
    x = 1,499,086,295,980,803,840/1,978,887,276.04
  6. Step 6: Final answer
    x = 757,540,014.60

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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.