Finding the Fourth Proportional to 22,520,157,032.66, 31,075,762,594.52 and 13,363,107,905.99
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Solution
The fourth proportional to 22,520,157,032.66, 31,075,762,594.52 and 13,363,107,905.99 is: 18,439,870,033.30
Step by Step Solution
- Step 1: Write the proportion equation
22,520,157,032.66 : 31,075,762,594.52 = 13,363,107,905.99 : x - Step 2: Convert to fraction form
22,520,157,032.66/31,075,762,594.52 = 13,363,107,905.99/x - Step 3: Cross multiply
22,520,157,032.66x = 31,075,762,594.52 × 13,363,107,905.99 - Step 4: Simplify right side
22,520,157,032.66x = 415,268,768,811,618,467,840 - Step 5: Solve for x
x = 415,268,768,811,618,467,840/22,520,157,032.66 - Step 6: Final answer
x = 18,439,870,033.30
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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.