Finding the Fourth Proportional to 1,076,615,671.62, 1,486,006,061.39 and 701,207,742.12
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Solution
The fourth proportional to 1,076,615,671.62, 1,486,006,061.39 and 701,207,742.12 is: 967,846,727.99
Step by Step Solution
- Step 1: Write the proportion equation
1,076,615,671.62 : 1,486,006,061.39 = 701,207,742.12 : x - Step 2: Convert to fraction form
1,076,615,671.62/1,486,006,061.39 = 701,207,742.12/x - Step 3: Cross multiply
1,076,615,671.62x = 1,486,006,061.39 × 701,207,742.12 - Step 4: Simplify right side
1,076,615,671.62x = 1,041,998,955,083,916,032 - Step 5: Solve for x
x = 1,041,998,955,083,916,032/1,076,615,671.62 - Step 6: Final answer
x = 967,846,727.99
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1.5x scale
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.