Home / 536,005,964.82-803,664,839.10-208,132,111.20

Finding the Fourth Proportional to 536,005,964.82, 803,664,839.10 and 208,132,111.20

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Solution

The fourth proportional to 536,005,964.82, 803,664,839.10 and 208,132,111.20 is: 312,064,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,005,964.82 : 803,664,839.10 = 208,132,111.20 : x
  2. Step 2: Convert to fraction form
    536,005,964.82/803,664,839.10 = 208,132,111.20/x
  3. Step 3: Cross multiply
    536,005,964.82x = 803,664,839.10 × 208,132,111.20
  4. Step 4: Simplify right side
    536,005,964.82x = 167,268,459,659,091,296
  5. Step 5: Solve for x
    x = 167,268,459,659,091,296/536,005,964.82
  6. Step 6: Final answer
    x = 312,064,548.97

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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.