Home / 1,392,422,513.00-2,088,406,626.26-409,619,285.82

Finding the Fourth Proportional to 1,392,422,513.00, 2,088,406,626.26 and 409,619,285.82

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Solution

The fourth proportional to 1,392,422,513.00, 2,088,406,626.26 and 409,619,285.82 is: 614,362,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,422,513.00 : 2,088,406,626.26 = 409,619,285.82 : x
  2. Step 2: Convert to fraction form
    1,392,422,513.00/2,088,406,626.26 = 409,619,285.82/x
  3. Step 3: Cross multiply
    1,392,422,513.00x = 2,088,406,626.26 × 409,619,285.82
  4. Step 4: Simplify right side
    1,392,422,513.00x = 855,451,630,748,328,832
  5. Step 5: Solve for x
    x = 855,451,630,748,328,832/1,392,422,513.00
  6. Step 6: Final answer
    x = 614,362,108.31

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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.