Home / 1,329,697,728.70-1,994,546,593.05-409,454,493.10

Finding the Fourth Proportional to 1,329,697,728.70, 1,994,546,593.05 and 409,454,493.10

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Solution

The fourth proportional to 1,329,697,728.70, 1,994,546,593.05 and 409,454,493.10 is: 614,181,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,697,728.70 : 1,994,546,593.05 = 409,454,493.10 : x
  2. Step 2: Convert to fraction form
    1,329,697,728.70/1,994,546,593.05 = 409,454,493.10/x
  3. Step 3: Cross multiply
    1,329,697,728.70x = 1,994,546,593.05 × 409,454,493.10
  4. Step 4: Simplify right side
    1,329,697,728.70x = 816,676,064,221,619,712
  5. Step 5: Solve for x
    x = 816,676,064,221,619,712/1,329,697,728.70
  6. Step 6: Final answer
    x = 614,181,739.65

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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.