Home / 811,996,885.98-1,122,604,986.96-599,969,302.56

Finding the Fourth Proportional to 811,996,885.98, 1,122,604,986.96 and 599,969,302.56

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Solution

The fourth proportional to 811,996,885.98, 1,122,604,986.96 and 599,969,302.56 is: 829,471,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,996,885.98 : 1,122,604,986.96 = 599,969,302.56 : x
  2. Step 2: Convert to fraction form
    811,996,885.98/1,122,604,986.96 = 599,969,302.56/x
  3. Step 3: Cross multiply
    811,996,885.98x = 1,122,604,986.96 × 599,969,302.56
  4. Step 4: Simplify right side
    811,996,885.98x = 673,528,531,076,769,024
  5. Step 5: Solve for x
    x = 673,528,531,076,769,024/811,996,885.98
  6. Step 6: Final answer
    x = 829,471,815.36

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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.