Finding the Fourth Proportional to 1,579,693,326.22, 2,178,927,119.98 and 1,015,891,017.95
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Solution
The fourth proportional to 1,579,693,326.22, 2,178,927,119.98 and 1,015,891,017.95 is: 1,401,254,568.34
Step by Step Solution
- Step 1: Write the proportion equation
1,579,693,326.22 : 2,178,927,119.98 = 1,015,891,017.95 : x - Step 2: Convert to fraction form
1,579,693,326.22/2,178,927,119.98 = 1,015,891,017.95/x - Step 3: Cross multiply
1,579,693,326.22x = 2,178,927,119.98 × 1,015,891,017.95 - Step 4: Simplify right side
1,579,693,326.22x = 2,213,552,489,941,909,760 - Step 5: Solve for x
x = 2,213,552,489,941,909,760/1,579,693,326.22 - Step 6: Final answer
x = 1,401,254,568.34
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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.