Home / 1,091,902,821.12-1,637,854,236.48-364,891,533.12

Finding the Fourth Proportional to 1,091,902,821.12, 1,637,854,236.48 and 364,891,533.12

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Solution

The fourth proportional to 1,091,902,821.12, 1,637,854,236.48 and 364,891,533.12 is: 547,337,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,902,821.12 : 1,637,854,236.48 = 364,891,533.12 : x
  2. Step 2: Convert to fraction form
    1,091,902,821.12/1,637,854,236.48 = 364,891,533.12/x
  3. Step 3: Cross multiply
    1,091,902,821.12x = 1,637,854,236.48 × 364,891,533.12
  4. Step 4: Simplify right side
    1,091,902,821.12x = 597,639,143,376,274,304
  5. Step 5: Solve for x
    x = 597,639,143,376,274,304/1,091,902,821.12
  6. Step 6: Final answer
    x = 547,337,301.28

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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.