Finding the Fourth Proportional to 910,331,925.48, 1,256,262,015.62 and 492,644,247.68
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Solution
The fourth proportional to 910,331,925.48, 1,256,262,015.62 and 492,644,247.68 is: 679,851,204.00
Step by Step Solution
- Step 1: Write the proportion equation
910,331,925.48 : 1,256,262,015.62 = 492,644,247.68 : x - Step 2: Convert to fraction form
910,331,925.48/1,256,262,015.62 = 492,644,247.68/x - Step 3: Cross multiply
910,331,925.48x = 1,256,262,015.62 × 492,644,247.68 - Step 4: Simplify right side
910,331,925.48x = 618,890,255,578,447,616 - Step 5: Solve for x
x = 618,890,255,578,447,616/910,331,925.48 - Step 6: Final answer
x = 679,851,204.00
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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.