Finding the Fourth Proportional to 19,919,441,827.63, 29,860,775,473.29 and 9,962,220,943.54
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Solution
The fourth proportional to 19,919,441,827.63, 29,860,775,473.29 and 9,962,220,943.54 is: 14,934,135,473.50
Step by Step Solution
- Step 1: Write the proportion equation
19,919,441,827.63 : 29,860,775,473.29 = 9,962,220,943.54 : x - Step 2: Convert to fraction form
19,919,441,827.63/29,860,775,473.29 = 9,962,220,943.54/x - Step 3: Cross multiply
19,919,441,827.63x = 29,860,775,473.29 × 9,962,220,943.54 - Step 4: Simplify right side
19,919,441,827.63x = 297,479,642,810,355,220,480 - Step 5: Solve for x
x = 297,479,642,810,355,220,480/19,919,441,827.63 - Step 6: Final answer
x = 14,934,135,473.50
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Double scale
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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.