Home / 1,978,887,275.04-2,968,329,207.12-505,026,965.56

Finding the Fourth Proportional to 1,978,887,275.04, 2,968,329,207.12 and 505,026,965.56

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Solution

The fourth proportional to 1,978,887,275.04, 2,968,329,207.12 and 505,026,965.56 is: 757,540,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,887,275.04 : 2,968,329,207.12 = 505,026,965.56 : x
  2. Step 2: Convert to fraction form
    1,978,887,275.04/2,968,329,207.12 = 505,026,965.56/x
  3. Step 3: Cross multiply
    1,978,887,275.04x = 2,968,329,207.12 × 505,026,965.56
  4. Step 4: Simplify right side
    1,978,887,275.04x = 1,499,086,292,254,934,272
  5. Step 5: Solve for x
    x = 1,499,086,292,254,934,272/1,978,887,275.04
  6. Step 6: Final answer
    x = 757,540,013.10

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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.