Finding the Fourth Proportional to 632,776,157,780.24, 872,929,388,538.60 and 461,130,062,543.12
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Solution
The fourth proportional to 632,776,157,780.24, 872,929,388,538.60 and 461,130,062,543.12 is: 636,139,618,383.55
Step by Step Solution
- Step 1: Write the proportion equation
632,776,157,780.24 : 872,929,388,538.60 = 461,130,062,543.12 : x - Step 2: Convert to fraction form
632,776,157,780.24/872,929,388,538.60 = 461,130,062,543.12/x - Step 3: Cross multiply
632,776,157,780.24x = 872,929,388,538.60 × 461,130,062,543.12 - Step 4: Simplify right side
632,776,157,780.24x = 402,533,983,532,532,111,507,456 - Step 5: Solve for x
x = 402,533,983,532,532,111,507,456/632,776,157,780.24 - Step 6: Final answer
x = 636,139,618,383.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.