Finding the Fourth Proportional to 815,771,569,298.35, 1,125,768,265,541.30 and 444,983,067,621.67
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Solution
The fourth proportional to 815,771,569,298.35, 1,125,768,265,541.30 and 444,983,067,621.67 is: 614,078,542,431.39
Step by Step Solution
- Step 1: Write the proportion equation
815,771,569,298.35 : 1,125,768,265,541.30 = 444,983,067,621.67 : x - Step 2: Convert to fraction form
815,771,569,298.35/1,125,768,265,541.30 = 444,983,067,621.67/x - Step 3: Cross multiply
815,771,569,298.35x = 1,125,768,265,541.30 × 444,983,067,621.67 - Step 4: Simplify right side
815,771,569,298.35x = 500,947,816,231,694,424,342,528 - Step 5: Solve for x
x = 500,947,816,231,694,424,342,528/815,771,569,298.35 - Step 6: Final answer
x = 614,078,542,431.39
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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.