Home / 1,692,300,931.10-2,538,451,396.65-1,401,496,415.90

Finding the Fourth Proportional to 1,692,300,931.10, 2,538,451,396.65 and 1,401,496,415.90

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Solution

The fourth proportional to 1,692,300,931.10, 2,538,451,396.65 and 1,401,496,415.90 is: 2,102,244,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,300,931.10 : 2,538,451,396.65 = 1,401,496,415.90 : x
  2. Step 2: Convert to fraction form
    1,692,300,931.10/2,538,451,396.65 = 1,401,496,415.90/x
  3. Step 3: Cross multiply
    1,692,300,931.10x = 2,538,451,396.65 × 1,401,496,415.90
  4. Step 4: Simplify right side
    1,692,300,931.10x = 3,557,630,534,341,324,800
  5. Step 5: Solve for x
    x = 3,557,630,534,341,324,800/1,692,300,931.10
  6. Step 6: Final answer
    x = 2,102,244,623.85

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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.