Home / 6,857,243,343.80-10,285,865,015.70-5,479,748,271.80

Finding the Fourth Proportional to 6,857,243,343.80, 10,285,865,015.70 and 5,479,748,271.80

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Solution

The fourth proportional to 6,857,243,343.80, 10,285,865,015.70 and 5,479,748,271.80 is: 8,219,622,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,243,343.80 : 10,285,865,015.70 = 5,479,748,271.80 : x
  2. Step 2: Convert to fraction form
    6,857,243,343.80/10,285,865,015.70 = 5,479,748,271.80/x
  3. Step 3: Cross multiply
    6,857,243,343.80x = 10,285,865,015.70 × 5,479,748,271.80
  4. Step 4: Simplify right side
    6,857,243,343.80x = 56,363,951,043,750,158,336
  5. Step 5: Solve for x
    x = 56,363,951,043,750,158,336/6,857,243,343.80
  6. Step 6: Final answer
    x = 8,219,622,407.70

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Double scale
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Similar ratio
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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.