Finding the Fourth Proportional to 1,891,492,913.91, 2,610,421,567.58 and 1,056,278,838.63
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Solution
The fourth proportional to 1,891,492,913.91, 2,610,421,567.58 and 1,056,278,838.63 is: 1,457,754,899.03
Step by Step Solution
- Step 1: Write the proportion equation
1,891,492,913.91 : 2,610,421,567.58 = 1,056,278,838.63 : x - Step 2: Convert to fraction form
1,891,492,913.91/2,610,421,567.58 = 1,056,278,838.63/x - Step 3: Cross multiply
1,891,492,913.91x = 2,610,421,567.58 × 1,056,278,838.63 - Step 4: Simplify right side
1,891,492,913.91x = 2,757,333,061,740,747,264 - Step 5: Solve for x
x = 2,757,333,061,740,747,264/1,891,492,913.91 - Step 6: Final answer
x = 1,457,754,899.03
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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.