Finding the Fourth Proportional to 851,397,301,726.70, 1,174,935,602,241.10 and 485,610,025,230.70
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Solution
The fourth proportional to 851,397,301,726.70, 1,174,935,602,241.10 and 485,610,025,230.70 is: 670,146,013,255.63
Step by Step Solution
- Step 1: Write the proportion equation
851,397,301,726.70 : 1,174,935,602,241.10 = 485,610,025,230.70 : x - Step 2: Convert to fraction form
851,397,301,726.70/1,174,935,602,241.10 = 485,610,025,230.70/x - Step 3: Cross multiply
851,397,301,726.70x = 1,174,935,602,241.10 × 485,610,025,230.70 - Step 4: Simplify right side
851,397,301,726.70x = 570,560,507,448,748,314,460,160 - Step 5: Solve for x
x = 570,560,507,448,748,314,460,160/851,397,301,726.70 - Step 6: Final answer
x = 670,146,013,255.63
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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.