Finding the Fourth Proportional to 8,747,298,929.81, 12,071,264,723.49 and 4,937,623,771.16
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Solution
The fourth proportional to 8,747,298,929.81, 12,071,264,723.49 and 4,937,623,771.16 is: 6,813,916,401.50
Step by Step Solution
- Step 1: Write the proportion equation
8,747,298,929.81 : 12,071,264,723.49 = 4,937,623,771.16 : x - Step 2: Convert to fraction form
8,747,298,929.81/12,071,264,723.49 = 4,937,623,771.16/x - Step 3: Cross multiply
8,747,298,929.81x = 12,071,264,723.49 × 4,937,623,771.16 - Step 4: Simplify right side
8,747,298,929.81x = 59,603,363,646,669,365,248 - Step 5: Solve for x
x = 59,603,363,646,669,365,248/8,747,298,929.81 - Step 6: Final answer
x = 6,813,916,401.50
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1.5x scale
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.