Home / 1,520,127,883.64-2,279,751,393.74-456,507,820.35

Finding the Fourth Proportional to 1,520,127,883.64, 2,279,751,393.74 and 456,507,820.35

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Solution

The fourth proportional to 1,520,127,883.64, 2,279,751,393.74 and 456,507,820.35 is: 684,629,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,127,883.64 : 2,279,751,393.74 = 456,507,820.35 : x
  2. Step 2: Convert to fraction form
    1,520,127,883.64/2,279,751,393.74 = 456,507,820.35/x
  3. Step 3: Cross multiply
    1,520,127,883.64x = 2,279,751,393.74 × 456,507,820.35
  4. Step 4: Simplify right side
    1,520,127,883.64x = 1,040,724,339,693,839,616
  5. Step 5: Solve for x
    x = 1,040,724,339,693,839,616/1,520,127,883.64
  6. Step 6: Final answer
    x = 684,629,464.99

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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.