Finding the Fourth Proportional to 771,402,652.02, 1,064,529,805.68 and 418,981,164.93
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Solution
The fourth proportional to 771,402,652.02, 1,064,529,805.68 and 418,981,164.93 is: 578,190,827.99
Step by Step Solution
- Step 1: Write the proportion equation
771,402,652.02 : 1,064,529,805.68 = 418,981,164.93 : x - Step 2: Convert to fraction form
771,402,652.02/1,064,529,805.68 = 418,981,164.93/x - Step 3: Cross multiply
771,402,652.02x = 1,064,529,805.68 × 418,981,164.93 - Step 4: Simplify right side
771,402,652.02x = 446,017,938,086,512,896 - Step 5: Solve for x
x = 446,017,938,086,512,896/771,402,652.02 - Step 6: Final answer
x = 578,190,827.99
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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.