Finding the Fourth Proportional to 27,630,878,715.27, 38,130,612,331.95 and 14,943,614,381.19
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Solution
The fourth proportional to 27,630,878,715.27, 38,130,612,331.95 and 14,943,614,381.19 is: 20,622,187,686.43
Step by Step Solution
- Step 1: Write the proportion equation
27,630,878,715.27 : 38,130,612,331.95 = 14,943,614,381.19 : x - Step 2: Convert to fraction form
27,630,878,715.27/38,130,612,331.95 = 14,943,614,381.19/x - Step 3: Cross multiply
27,630,878,715.27x = 38,130,612,331.95 × 14,943,614,381.19 - Step 4: Simplify right side
27,630,878,715.27x = 569,809,166,807,308,763,136 - Step 5: Solve for x
x = 569,809,166,807,308,763,136/27,630,878,715.27 - Step 6: Final answer
x = 20,622,187,686.43
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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.