Home / 514,512,658.20-771,768,987.30-296,834,424.60

Finding the Fourth Proportional to 514,512,658.20, 771,768,987.30 and 296,834,424.60

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Solution

The fourth proportional to 514,512,658.20, 771,768,987.30 and 296,834,424.60 is: 445,251,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,512,658.20 : 771,768,987.30 = 296,834,424.60 : x
  2. Step 2: Convert to fraction form
    514,512,658.20/771,768,987.30 = 296,834,424.60/x
  3. Step 3: Cross multiply
    514,512,658.20x = 771,768,987.30 × 296,834,424.60
  4. Step 4: Simplify right side
    514,512,658.20x = 229,087,603,269,320,224
  5. Step 5: Solve for x
    x = 229,087,603,269,320,224/514,512,658.20
  6. Step 6: Final answer
    x = 445,251,636.90

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1.5x scale

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.