Finding the Fourth Proportional to 7,937,996,642.98, 11,908,788,805.06 and 2,626,096,342.12
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Solution
The fourth proportional to 7,937,996,642.98, 11,908,788,805.06 and 2,626,096,342.12 is: 3,939,737,962.43
Step by Step Solution
- Step 1: Write the proportion equation
7,937,996,642.98 : 11,908,788,805.06 = 2,626,096,342.12 : x - Step 2: Convert to fraction form
7,937,996,642.98/11,908,788,805.06 = 2,626,096,342.12/x - Step 3: Cross multiply
7,937,996,642.98x = 11,908,788,805.06 × 2,626,096,342.12 - Step 4: Simplify right side
7,937,996,642.98x = 31,273,626,720,010,018,816 - Step 5: Solve for x
x = 31,273,626,720,010,018,816/7,937,996,642.98 - Step 6: Final answer
x = 3,939,737,962.43
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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.