Home / 3,653,996,985.66-5,042,519,572.13-1,983,246,471.30

Finding the Fourth Proportional to 3,653,996,985.66, 5,042,519,572.13 and 1,983,246,471.30

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Solution

The fourth proportional to 3,653,996,985.66, 5,042,519,572.13 and 1,983,246,471.30 is: 2,736,882,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,996,985.66 : 5,042,519,572.13 = 1,983,246,471.30 : x
  2. Step 2: Convert to fraction form
    3,653,996,985.66/5,042,519,572.13 = 1,983,246,471.30/x
  3. Step 3: Cross multiply
    3,653,996,985.66x = 5,042,519,572.13 × 1,983,246,471.30
  4. Step 4: Simplify right side
    3,653,996,985.66x = 10,000,559,147,878,057,984
  5. Step 5: Solve for x
    x = 10,000,559,147,878,057,984/3,653,996,985.66
  6. Step 6: Final answer
    x = 2,736,882,155.93

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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.