Finding the Fourth Proportional to 1,465,105,476.10, 2,197,658,214.15 and 544,791,381.70
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Solution
The fourth proportional to 1,465,105,476.10, 2,197,658,214.15 and 544,791,381.70 is: 817,187,072.55
Step by Step Solution
- Step 1: Write the proportion equation
1,465,105,476.10 : 2,197,658,214.15 = 544,791,381.70 : x - Step 2: Convert to fraction form
1,465,105,476.10/2,197,658,214.15 = 544,791,381.70/x - Step 3: Cross multiply
1,465,105,476.10x = 2,197,658,214.15 × 544,791,381.70 - Step 4: Simplify right side
1,465,105,476.10x = 1,197,265,254,991,133,184 - Step 5: Solve for x
x = 1,197,265,254,991,133,184/1,465,105,476.10 - Step 6: Final answer
x = 817,187,072.55
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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.