Finding the Fourth Proportional to 914,656,407.36, 1,371,213,332.64 and 396,696,720.48
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Solution
The fourth proportional to 914,656,407.36, 1,371,213,332.64 and 396,696,720.48 is: 594,710,568.65
Step by Step Solution
- Step 1: Write the proportion equation
914,656,407.36 : 1,371,213,332.64 = 396,696,720.48 : x - Step 2: Convert to fraction form
914,656,407.36/1,371,213,332.64 = 396,696,720.48/x - Step 3: Cross multiply
914,656,407.36x = 1,371,213,332.64 × 396,696,720.48 - Step 4: Simplify right side
914,656,407.36x = 543,955,832,136,739,392 - Step 5: Solve for x
x = 543,955,832,136,739,392/914,656,407.36 - Step 6: Final answer
x = 594,710,568.65
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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.