Finding the Fourth Proportional to 1,561,497,850.49, 2,342,160,560.70 and 1,141,749,363.40
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Solution
The fourth proportional to 1,561,497,850.49, 2,342,160,560.70 and 1,141,749,363.40 is: 1,712,561,005.65
Step by Step Solution
- Step 1: Write the proportion equation
1,561,497,850.49 : 2,342,160,560.70 = 1,141,749,363.40 : x - Step 2: Convert to fraction form
1,561,497,850.49/2,342,160,560.70 = 1,141,749,363.40/x - Step 3: Cross multiply
1,561,497,850.49x = 2,342,160,560.70 × 1,141,749,363.40 - Step 4: Simplify right side
1,561,497,850.49x = 2,674,160,329,153,956,352 - Step 5: Solve for x
x = 2,674,160,329,153,956,352/1,561,497,850.49 - Step 6: Final answer
x = 1,712,561,005.65
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1.5x scale
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.