Finding the Fourth Proportional to 27,363,186,329.99, 37,762,753,146.71 and 15,320,091,776.36
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Solution
The fourth proportional to 27,363,186,329.99, 37,762,753,146.71 and 15,320,091,776.36 is: 21,142,597,830.48
Step by Step Solution
- Step 1: Write the proportion equation
27,363,186,329.99 : 37,762,753,146.71 = 15,320,091,776.36 : x - Step 2: Convert to fraction form
27,363,186,329.99/37,762,753,146.71 = 15,320,091,776.36/x - Step 3: Cross multiply
27,363,186,329.99x = 37,762,753,146.71 × 15,320,091,776.36 - Step 4: Simplify right side
27,363,186,329.99x = 578,528,843,935,374,508,032 - Step 5: Solve for x
x = 578,528,843,935,374,508,032/27,363,186,329.99 - Step 6: Final answer
x = 21,142,597,830.48
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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.