Home / 1,380,416,625.72-2,070,667,455.30-603,662,460.12

Finding the Fourth Proportional to 1,380,416,625.72, 2,070,667,455.30 and 603,662,460.12

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Solution

The fourth proportional to 1,380,416,625.72, 2,070,667,455.30 and 603,662,460.12 is: 905,512,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,416,625.72 : 2,070,667,455.30 = 603,662,460.12 : x
  2. Step 2: Convert to fraction form
    1,380,416,625.72/2,070,667,455.30 = 603,662,460.12/x
  3. Step 3: Cross multiply
    1,380,416,625.72x = 2,070,667,455.30 × 603,662,460.12
  4. Step 4: Simplify right side
    1,380,416,625.72x = 1,249,984,210,156,818,176
  5. Step 5: Solve for x
    x = 1,249,984,210,156,818,176/1,380,416,625.72
  6. Step 6: Final answer
    x = 905,512,282.93

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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.