Home / 8,540,470,574.40-12,810,705,861.60-5,234,482,401.60

Finding the Fourth Proportional to 8,540,470,574.40, 12,810,705,861.60 and 5,234,482,401.60

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Solution

The fourth proportional to 8,540,470,574.40, 12,810,705,861.60 and 5,234,482,401.60 is: 7,851,723,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,470,574.40 : 12,810,705,861.60 = 5,234,482,401.60 : x
  2. Step 2: Convert to fraction form
    8,540,470,574.40/12,810,705,861.60 = 5,234,482,401.60/x
  3. Step 3: Cross multiply
    8,540,470,574.40x = 12,810,705,861.60 × 5,234,482,401.60
  4. Step 4: Simplify right side
    8,540,470,574.40x = 67,057,414,384,619,175,936
  5. Step 5: Solve for x
    x = 67,057,414,384,619,175,936/8,540,470,574.40
  6. Step 6: Final answer
    x = 7,851,723,602.40

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Double scale
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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.