Home / 1,166,832,157.76-1,610,163,250.08-638,091,805.76

Finding the Fourth Proportional to 1,166,832,157.76, 1,610,163,250.08 and 638,091,805.76

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Solution

The fourth proportional to 1,166,832,157.76, 1,610,163,250.08 and 638,091,805.76 is: 880,531,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,832,157.76 : 1,610,163,250.08 = 638,091,805.76 : x
  2. Step 2: Convert to fraction form
    1,166,832,157.76/1,610,163,250.08 = 638,091,805.76/x
  3. Step 3: Cross multiply
    1,166,832,157.76x = 1,610,163,250.08 × 638,091,805.76
  4. Step 4: Simplify right side
    1,166,832,157.76x = 1,027,431,975,811,937,664
  5. Step 5: Solve for x
    x = 1,027,431,975,811,937,664/1,166,832,157.76
  6. Step 6: Final answer
    x = 880,531,076.37

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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.