Home / 8,239,136,332.40-12,358,704,498.60-7,336,174,770.80

Finding the Fourth Proportional to 8,239,136,332.40, 12,358,704,498.60 and 7,336,174,770.80

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Solution

The fourth proportional to 8,239,136,332.40, 12,358,704,498.60 and 7,336,174,770.80 is: 11,004,262,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,136,332.40 : 12,358,704,498.60 = 7,336,174,770.80 : x
  2. Step 2: Convert to fraction form
    8,239,136,332.40/12,358,704,498.60 = 7,336,174,770.80/x
  3. Step 3: Cross multiply
    8,239,136,332.40x = 12,358,704,498.60 × 7,336,174,770.80
  4. Step 4: Simplify right side
    8,239,136,332.40x = 90,665,616,142,401,781,760
  5. Step 5: Solve for x
    x = 90,665,616,142,401,781,760/8,239,136,332.40
  6. Step 6: Final answer
    x = 11,004,262,156.20

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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.