Finding the Fourth Proportional to 1,129,113,663.93, 1,693,088,961.60 and 506,795,397.96
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Solution
The fourth proportional to 1,129,113,663.93, 1,693,088,961.60 and 506,795,397.96 is: 759,932,079.02
Step by Step Solution
- Step 1: Write the proportion equation
1,129,113,663.93 : 1,693,088,961.60 = 506,795,397.96 : x - Step 2: Convert to fraction form
1,129,113,663.93/1,693,088,961.60 = 506,795,397.96/x - Step 3: Cross multiply
1,129,113,663.93x = 1,693,088,961.60 × 506,795,397.96 - Step 4: Simplify right side
1,129,113,663.93x = 858,049,694,075,755,136 - Step 5: Solve for x
x = 858,049,694,075,755,136/1,129,113,663.93 - Step 6: Final answer
x = 759,932,079.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.