Finding the Fourth Proportional to 1,587,143,385.05, 2,381,643,422.78 and 591,852,014.49
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Solution
The fourth proportional to 1,587,143,385.05, 2,381,643,422.78 and 591,852,014.49 is: 888,124,205.31
Step by Step Solution
- Step 1: Write the proportion equation
1,587,143,385.05 : 2,381,643,422.78 = 591,852,014.49 : x - Step 2: Convert to fraction form
1,587,143,385.05/2,381,643,422.78 = 591,852,014.49/x - Step 3: Cross multiply
1,587,143,385.05x = 2,381,643,422.78 × 591,852,014.49 - Step 4: Simplify right side
1,587,143,385.05x = 1,409,580,457,559,250,944 - Step 5: Solve for x
x = 1,409,580,457,559,250,944/1,587,143,385.05 - Step 6: Final answer
x = 888,124,205.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.