Finding the Fourth Proportional to 1,552,210,953, 2,142,059,815.62 and 883,155,981.67
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Solution
The fourth proportional to 1,552,210,953, 2,142,059,815.62 and 883,155,981.67 is: 1,218,760,204.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,210,953 : 2,142,059,815.62 = 883,155,981.67 : x - Step 2: Convert to fraction form
1,552,210,953/2,142,059,815.62 = 883,155,981.67/x - Step 3: Cross multiply
1,552,210,953x = 2,142,059,815.62 × 883,155,981.67 - Step 4: Simplify right side
1,552,210,953x = 1,891,772,939,259,740,160 - Step 5: Solve for x
x = 1,891,772,939,259,740,160/1,552,210,953 - Step 6: Final answer
x = 1,218,760,204.99
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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.