Finding the Fourth Proportional to 815,771,569,313.55, 1,125,768,265,562.30 and 444,983,067,636.90
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Solution
The fourth proportional to 815,771,569,313.55, 1,125,768,265,562.30 and 444,983,067,636.90 is: 614,078,542,452.42
Step by Step Solution
- Step 1: Write the proportion equation
815,771,569,313.55 : 1,125,768,265,562.30 = 444,983,067,636.90 : x - Step 2: Convert to fraction form
815,771,569,313.55/1,125,768,265,562.30 = 444,983,067,636.90/x - Step 3: Cross multiply
815,771,569,313.55x = 1,125,768,265,562.30 × 444,983,067,636.90 - Step 4: Simplify right side
815,771,569,313.55x = 500,947,816,258,184,574,664,704 - Step 5: Solve for x
x = 500,947,816,258,184,574,664,704/815,771,569,313.55 - Step 6: Final answer
x = 614,078,542,452.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.