Finding the Fourth Proportional to 1,066,271,916.15, 1,471,447,214.67 and 596,373,260.18
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Solution
The fourth proportional to 1,066,271,916.15, 1,471,447,214.67 and 596,373,260.18 is: 822,990,608.02
Step by Step Solution
- Step 1: Write the proportion equation
1,066,271,916.15 : 1,471,447,214.67 = 596,373,260.18 : x - Step 2: Convert to fraction form
1,066,271,916.15/1,471,447,214.67 = 596,373,260.18/x - Step 3: Cross multiply
1,066,271,916.15x = 1,471,447,214.67 × 596,373,260.18 - Step 4: Simplify right side
1,066,271,916.15x = 877,531,772,588,707,712 - Step 5: Solve for x
x = 877,531,772,588,707,712/1,066,271,916.15 - Step 6: Final answer
x = 822,990,608.02
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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.