Finding the Fourth Proportional to 1,213,127,952,208.10, 1,674,169,198,663.60 and 671,804,673,952.75
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Solution
The fourth proportional to 1,213,127,952,208.10, 1,674,169,198,663.60 and 671,804,673,952.75 is: 927,119,592,457.47
Step by Step Solution
- Step 1: Write the proportion equation
1,213,127,952,208.10 : 1,674,169,198,663.60 = 671,804,673,952.75 : x - Step 2: Convert to fraction form
1,213,127,952,208.10/1,674,169,198,663.60 = 671,804,673,952.75/x - Step 3: Cross multiply
1,213,127,952,208.10x = 1,674,169,198,663.60 × 671,804,673,952.75 - Step 4: Simplify right side
1,213,127,952,208.10x = 1,124,714,692,649,936,664,657,920 - Step 5: Solve for x
x = 1,124,714,692,649,936,664,657,920/1,213,127,952,208.10 - Step 6: Final answer
x = 927,119,592,457.47
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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.