Finding the Fourth Proportional to 815,946,519.80, 1,125,973,347.66 and 444,660,579.32
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Solution
The fourth proportional to 815,946,519.80, 1,125,973,347.66 and 444,660,579.32 is: 613,613,697.61
Step by Step Solution
- Step 1: Write the proportion equation
815,946,519.80 : 1,125,973,347.66 = 444,660,579.32 : x - Step 2: Convert to fraction form
815,946,519.80/1,125,973,347.66 = 444,660,579.32/x - Step 3: Cross multiply
815,946,519.80x = 1,125,973,347.66 × 444,660,579.32 - Step 4: Simplify right side
815,946,519.80x = 500,675,961,069,375,424 - Step 5: Solve for x
x = 500,675,961,069,375,424/815,946,519.80 - Step 6: Final answer
x = 613,613,697.61
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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.