Finding the Fourth Proportional to 9,820,227,821.70, 14,730,341,732.55 and 6,720,863,909.70
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Solution
The fourth proportional to 9,820,227,821.70, 14,730,341,732.55 and 6,720,863,909.70 is: 10,081,295,864.55
Step by Step Solution
- Step 1: Write the proportion equation
9,820,227,821.70 : 14,730,341,732.55 = 6,720,863,909.70 : x - Step 2: Convert to fraction form
9,820,227,821.70/14,730,341,732.55 = 6,720,863,909.70/x - Step 3: Cross multiply
9,820,227,821.70x = 14,730,341,732.55 × 6,720,863,909.70 - Step 4: Simplify right side
9,820,227,821.70x = 99,000,622,127,843,049,472 - Step 5: Solve for x
x = 99,000,622,127,843,049,472/9,820,227,821.70 - Step 6: Final answer
x = 10,081,295,864.55
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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.