Home / 1,001,919,302.12-1,382,601,793.30-555,877,918.36

Finding the Fourth Proportional to 1,001,919,302.12, 1,382,601,793.30 and 555,877,918.36

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Solution

The fourth proportional to 1,001,919,302.12, 1,382,601,793.30 and 555,877,918.36 is: 767,085,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,919,302.12 : 1,382,601,793.30 = 555,877,918.36 : x
  2. Step 2: Convert to fraction form
    1,001,919,302.12/1,382,601,793.30 = 555,877,918.36/x
  3. Step 3: Cross multiply
    1,001,919,302.12x = 1,382,601,793.30 × 555,877,918.36
  4. Step 4: Simplify right side
    1,001,919,302.12x = 768,557,806,780,407,040
  5. Step 5: Solve for x
    x = 768,557,806,780,407,040/1,001,919,302.12
  6. Step 6: Final answer
    x = 767,085,537.88

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Half scale
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Double scale
Find fourth proportional to 1,001,919,303.12, 1,382,601,794.68 and 555,877,919.36
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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.