Finding the Fourth Proportional to 14,971,455,670,402, 20,660,593,155,688 and 8,386,997,678,589
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Solution
The fourth proportional to 14,971,455,670,402, 20,660,593,155,688 and 8,386,997,678,589 is: 11,574,048,018,429.88
Step by Step Solution
- Step 1: Write the proportion equation
14,971,455,670,402 : 20,660,593,155,688 = 8,386,997,678,589 : x - Step 2: Convert to fraction form
14,971,455,670,402/20,660,593,155,688 = 8,386,997,678,589/x - Step 3: Cross multiply
14,971,455,670,402x = 20,660,593,155,688 × 8,386,997,678,589 - Step 4: Simplify right side
14,971,455,670,402x = 173,280,346,835,027,054,055,915,520 - Step 5: Solve for x
x = 173,280,346,835,027,054,055,915,520/14,971,455,670,402 - Step 6: Final answer
x = 11,574,048,018,429.88
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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.