Home / 1,819,181,620.20-2,728,772,692.20-438,996,133.20

Finding the Fourth Proportional to 1,819,181,620.20, 2,728,772,692.20 and 438,996,133.20

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Solution

The fourth proportional to 1,819,181,620.20, 2,728,772,692.20 and 438,996,133.20 is: 658,494,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,181,620.20 : 2,728,772,692.20 = 438,996,133.20 : x
  2. Step 2: Convert to fraction form
    1,819,181,620.20/2,728,772,692.20 = 438,996,133.20/x
  3. Step 3: Cross multiply
    1,819,181,620.20x = 2,728,772,692.20 × 438,996,133.20
  4. Step 4: Simplify right side
    1,819,181,620.20x = 1,197,920,660,257,553,664
  5. Step 5: Solve for x
    x = 1,197,920,660,257,553,664/1,819,181,620.20
  6. Step 6: Final answer
    x = 658,494,263.00

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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.