Finding the Fourth Proportional to 2,495,011,694.19, 3,443,143,347.77 and 1,381,196,388.75
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Solution
The fourth proportional to 2,495,011,694.19, 3,443,143,347.77 and 1,381,196,388.75 is: 1,906,066,079.35
Step by Step Solution
- Step 1: Write the proportion equation
2,495,011,694.19 : 3,443,143,347.77 = 1,381,196,388.75 : x - Step 2: Convert to fraction form
2,495,011,694.19/3,443,143,347.77 = 1,381,196,388.75/x - Step 3: Cross multiply
2,495,011,694.19x = 3,443,143,347.77 × 1,381,196,388.75 - Step 4: Simplify right side
2,495,011,694.19x = 4,755,657,157,881,603,072 - Step 5: Solve for x
x = 4,755,657,157,881,603,072/2,495,011,694.19 - Step 6: Final answer
x = 1,906,066,079.35
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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.