Finding the Fourth Proportional to 675,995,527.17, 930,705,707.63 and 527,125,617.05
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Solution
The fourth proportional to 675,995,527.17, 930,705,707.63 and 527,125,617.05 is: 725,742,701.99
Step by Step Solution
- Step 1: Write the proportion equation
675,995,527.17 : 930,705,707.63 = 527,125,617.05 : x - Step 2: Convert to fraction form
675,995,527.17/930,705,707.63 = 527,125,617.05/x - Step 3: Cross multiply
675,995,527.17x = 930,705,707.63 × 527,125,617.05 - Step 4: Simplify right side
675,995,527.17x = 490,598,820,423,084,992 - Step 5: Solve for x
x = 490,598,820,423,084,992/675,995,527.17 - Step 6: Final answer
x = 725,742,701.99
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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.