Home / 1,001,919,297.12-1,382,601,786.42-555,877,913.34

Finding the Fourth Proportional to 1,001,919,297.12, 1,382,601,786.42 and 555,877,913.34

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Solution

The fourth proportional to 1,001,919,297.12, 1,382,601,786.42 and 555,877,913.34 is: 767,085,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,919,297.12 : 1,382,601,786.42 = 555,877,913.34 : x
  2. Step 2: Convert to fraction form
    1,001,919,297.12/1,382,601,786.42 = 555,877,913.34/x
  3. Step 3: Cross multiply
    1,001,919,297.12x = 1,382,601,786.42 × 555,877,913.34
  4. Step 4: Simplify right side
    1,001,919,297.12x = 768,557,796,015,305,984
  5. Step 5: Solve for x
    x = 768,557,796,015,305,984/1,001,919,297.12
  6. Step 6: Final answer
    x = 767,085,530.96

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1.5x scale

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.