Finding the Fourth Proportional to 14,971,455,670,394, 20,660,593,155,678 and 8,386,997,678,581.80
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Solution
The fourth proportional to 14,971,455,670,394, 20,660,593,155,678 and 8,386,997,678,581.80 is: 11,574,048,018,420.53
Step by Step Solution
- Step 1: Write the proportion equation
14,971,455,670,394 : 20,660,593,155,678 = 8,386,997,678,581.80 : x - Step 2: Convert to fraction form
14,971,455,670,394/20,660,593,155,678 = 8,386,997,678,581.80/x - Step 3: Cross multiply
14,971,455,670,394x = 20,660,593,155,678 × 8,386,997,678,581.80 - Step 4: Simplify right side
14,971,455,670,394x = 173,280,346,834,794,404,267,425,792 - Step 5: Solve for x
x = 173,280,346,834,794,404,267,425,792/14,971,455,670,394 - Step 6: Final answer
x = 11,574,048,018,420.53
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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.