Home / 869,070,279.06-1,199,293,067.97-477,929,703.06

Finding the Fourth Proportional to 869,070,279.06, 1,199,293,067.97 and 477,929,703.06

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Solution

The fourth proportional to 869,070,279.06, 1,199,293,067.97 and 477,929,703.06 is: 659,529,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,070,279.06 : 1,199,293,067.97 = 477,929,703.06 : x
  2. Step 2: Convert to fraction form
    869,070,279.06/1,199,293,067.97 = 477,929,703.06/x
  3. Step 3: Cross multiply
    869,070,279.06x = 1,199,293,067.97 × 477,929,703.06
  4. Step 4: Simplify right side
    869,070,279.06x = 573,177,779,856,818,496
  5. Step 5: Solve for x
    x = 573,177,779,856,818,496/869,070,279.06
  6. Step 6: Final answer
    x = 659,529,837.42

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Double scale
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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.