Home / 1,099,821,777.70-1,649,732,666.55-977,377,771.30

Finding the Fourth Proportional to 1,099,821,777.70, 1,649,732,666.55 and 977,377,771.30

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Solution

The fourth proportional to 1,099,821,777.70, 1,649,732,666.55 and 977,377,771.30 is: 1,466,066,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,821,777.70 : 1,649,732,666.55 = 977,377,771.30 : x
  2. Step 2: Convert to fraction form
    1,099,821,777.70/1,649,732,666.55 = 977,377,771.30/x
  3. Step 3: Cross multiply
    1,099,821,777.70x = 1,649,732,666.55 × 977,377,771.30
  4. Step 4: Simplify right side
    1,099,821,777.70x = 1,612,412,036,873,444,864
  5. Step 5: Solve for x
    x = 1,612,412,036,873,444,864/1,099,821,777.70
  6. Step 6: Final answer
    x = 1,466,066,656.95

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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.