Home / 1,753,968,720.81-2,419,880,956.38-1,000,740,783.98

Finding the Fourth Proportional to 1,753,968,720.81, 2,419,880,956.38 and 1,000,740,783.98

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Solution

The fourth proportional to 1,753,968,720.81, 2,419,880,956.38 and 1,000,740,783.98 is: 1,380,682,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,968,720.81 : 2,419,880,956.38 = 1,000,740,783.98 : x
  2. Step 2: Convert to fraction form
    1,753,968,720.81/2,419,880,956.38 = 1,000,740,783.98/x
  3. Step 3: Cross multiply
    1,753,968,720.81x = 2,419,880,956.38 × 1,000,740,783.98
  4. Step 4: Simplify right side
    1,753,968,720.81x = 2,421,673,565,413,894,144
  5. Step 5: Solve for x
    x = 2,421,673,565,413,894,144/1,753,968,720.81
  6. Step 6: Final answer
    x = 1,380,682,298.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.