Finding the Fourth Proportional to 1,327,709,473.95, 1,832,478,973.08 and 791,895,523.71
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Solution
The fourth proportional to 1,327,709,473.95, 1,832,478,973.08 and 791,895,523.71 is: 1,092,958,907.46
Step by Step Solution
- Step 1: Write the proportion equation
1,327,709,473.95 : 1,832,478,973.08 = 791,895,523.71 : x - Step 2: Convert to fraction form
1,327,709,473.95/1,832,478,973.08 = 791,895,523.71/x - Step 3: Cross multiply
1,327,709,473.95x = 1,832,478,973.08 × 791,895,523.71 - Step 4: Simplify right side
1,327,709,473.95x = 1,451,131,896,061,627,904 - Step 5: Solve for x
x = 1,451,131,896,061,627,904/1,327,709,473.95 - Step 6: Final answer
x = 1,092,958,907.46
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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.