Home / 1,446,811,861.02-1,996,540,096.95-820,322,635.74

Finding the Fourth Proportional to 1,446,811,861.02, 1,996,540,096.95 and 820,322,635.74

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Solution

The fourth proportional to 1,446,811,861.02, 1,996,540,096.95 and 820,322,635.74 is: 1,132,011,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,811,861.02 : 1,996,540,096.95 = 820,322,635.74 : x
  2. Step 2: Convert to fraction form
    1,446,811,861.02/1,996,540,096.95 = 820,322,635.74/x
  3. Step 3: Cross multiply
    1,446,811,861.02x = 1,996,540,096.95 × 820,322,635.74
  4. Step 4: Simplify right side
    1,446,811,861.02x = 1,637,807,034,690,619,136
  5. Step 5: Solve for x
    x = 1,637,807,034,690,619,136/1,446,811,861.02
  6. Step 6: Final answer
    x = 1,132,011,064.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.