Home / 6,857,243,343.30-10,285,865,014.95-5,479,748,271.30

Finding the Fourth Proportional to 6,857,243,343.30, 10,285,865,014.95 and 5,479,748,271.30

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Solution

The fourth proportional to 6,857,243,343.30, 10,285,865,014.95 and 5,479,748,271.30 is: 8,219,622,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,243,343.30 : 10,285,865,014.95 = 5,479,748,271.30 : x
  2. Step 2: Convert to fraction form
    6,857,243,343.30/10,285,865,014.95 = 5,479,748,271.30/x
  3. Step 3: Cross multiply
    6,857,243,343.30x = 10,285,865,014.95 × 5,479,748,271.30
  4. Step 4: Simplify right side
    6,857,243,343.30x = 56,363,951,034,497,417,216
  5. Step 5: Solve for x
    x = 56,363,951,034,497,417,216/6,857,243,343.30
  6. Step 6: Final answer
    x = 8,219,622,406.95

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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.