Finding the Fourth Proportional to 1,721,589,705.09, 2,376,526,865.64 and 1,157,401,795.05
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Solution
The fourth proportional to 1,721,589,705.09, 2,376,526,865.64 and 1,157,401,795.05 is: 1,597,707,312.11
Step by Step Solution
- Step 1: Write the proportion equation
1,721,589,705.09 : 2,376,526,865.64 = 1,157,401,795.05 : x - Step 2: Convert to fraction form
1,721,589,705.09/2,376,526,865.64 = 1,157,401,795.05/x - Step 3: Cross multiply
1,721,589,705.09x = 2,376,526,865.64 × 1,157,401,795.05 - Step 4: Simplify right side
1,721,589,705.09x = 2,750,596,460,276,285,952 - Step 5: Solve for x
x = 2,750,596,460,276,285,952/1,721,589,705.09 - Step 6: Final answer
x = 1,597,707,312.11
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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.