Finding the Fourth Proportional to 1,177,462,313.10, 1,764,280,282.05 and 982,317,177.90
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Solution
The fourth proportional to 1,177,462,313.10, 1,764,280,282.05 and 982,317,177.90 is: 1,471,879,658.83
Step by Step Solution
- Step 1: Write the proportion equation
1,177,462,313.10 : 1,764,280,282.05 = 982,317,177.90 : x - Step 2: Convert to fraction form
1,177,462,313.10/1,764,280,282.05 = 982,317,177.90/x - Step 3: Cross multiply
1,177,462,313.10x = 1,764,280,282.05 × 982,317,177.90 - Step 4: Simplify right side
1,177,462,313.10x = 1,733,082,827,687,971,840 - Step 5: Solve for x
x = 1,733,082,827,687,971,840/1,177,462,313.10 - Step 6: Final answer
x = 1,471,879,658.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.