Finding the Fourth Proportional to 854,292,267,446.28, 1,178,924,496,523.60 and 463,658,837,221.08
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Solution
The fourth proportional to 854,292,267,446.28, 1,178,924,496,523.60 and 463,658,837,221.08 is: 639,849,828,986.02
Step by Step Solution
- Step 1: Write the proportion equation
854,292,267,446.28 : 1,178,924,496,523.60 = 463,658,837,221.08 : x - Step 2: Convert to fraction form
854,292,267,446.28/1,178,924,496,523.60 = 463,658,837,221.08/x - Step 3: Cross multiply
854,292,267,446.28x = 1,178,924,496,523.60 × 463,658,837,221.08 - Step 4: Simplify right side
854,292,267,446.28x = 546,618,761,229,579,579,293,696 - Step 5: Solve for x
x = 546,618,761,229,579,579,293,696/854,292,267,446.28 - Step 6: Final answer
x = 639,849,828,986.02
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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.