Finding the Fourth Proportional to 14,971,455,670,398, 20,660,593,155,682 and 8,386,997,678,585
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Solution
The fourth proportional to 14,971,455,670,398, 20,660,593,155,682 and 8,386,997,678,585 is: 11,574,048,018,424.09
Step by Step Solution
- Step 1: Write the proportion equation
14,971,455,670,398 : 20,660,593,155,682 = 8,386,997,678,585 : x - Step 2: Convert to fraction form
14,971,455,670,398/20,660,593,155,682 = 8,386,997,678,585/x - Step 3: Cross multiply
14,971,455,670,398x = 20,660,593,155,682 × 8,386,997,678,585 - Step 4: Simplify right side
14,971,455,670,398x = 173,280,346,834,894,081,868,431,360 - Step 5: Solve for x
x = 173,280,346,834,894,081,868,431,360/14,971,455,670,398 - Step 6: Final answer
x = 11,574,048,018,424.09
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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.