Finding the Fourth Proportional to 1,618,216,252.42, 2,233,144,313.55 and 875,660,315.17
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Solution
The fourth proportional to 1,618,216,252.42, 2,233,144,313.55 and 875,660,315.17 is: 1,208,414,419.57
Step by Step Solution
- Step 1: Write the proportion equation
1,618,216,252.42 : 2,233,144,313.55 = 875,660,315.17 : x - Step 2: Convert to fraction form
1,618,216,252.42/2,233,144,313.55 = 875,660,315.17/x - Step 3: Cross multiply
1,618,216,252.42x = 2,233,144,313.55 × 875,660,315.17 - Step 4: Simplify right side
1,618,216,252.42x = 1,955,475,853,407,742,208 - Step 5: Solve for x
x = 1,955,475,853,407,742,208/1,618,216,252.42 - Step 6: Final answer
x = 1,208,414,419.57
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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.