Home / 1,959,617,913.40-2,935,395,791.70-990,815,404.60

Finding the Fourth Proportional to 1,959,617,913.40, 2,935,395,791.70 and 990,815,404.60

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Solution

The fourth proportional to 1,959,617,913.40, 2,935,395,791.70 and 990,815,404.60 is: 1,484,184,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,617,913.40 : 2,935,395,791.70 = 990,815,404.60 : x
  2. Step 2: Convert to fraction form
    1,959,617,913.40/2,935,395,791.70 = 990,815,404.60/x
  3. Step 3: Cross multiply
    1,959,617,913.40x = 2,935,395,791.70 × 990,815,404.60
  4. Step 4: Simplify right side
    1,959,617,913.40x = 2,908,435,369,014,372,864
  5. Step 5: Solve for x
    x = 2,908,435,369,014,372,864/1,959,617,913.40
  6. Step 6: Final answer
    x = 1,484,184,926.63

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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.