Finding the Fourth Proportional to 1,264,247,275,400.70, 1,744,662,531,259.70 and 686,183,913,355.63
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Solution
The fourth proportional to 1,264,247,275,400.70, 1,744,662,531,259.70 and 686,183,913,355.63 is: 946,934,501,247.22
Step by Step Solution
- Step 1: Write the proportion equation
1,264,247,275,400.70 : 1,744,662,531,259.70 = 686,183,913,355.63 : x - Step 2: Convert to fraction form
1,264,247,275,400.70/1,744,662,531,259.70 = 686,183,913,355.63/x - Step 3: Cross multiply
1,264,247,275,400.70x = 1,744,662,531,259.70 × 686,183,913,355.63 - Step 4: Simplify right side
1,264,247,275,400.70x = 1,197,159,363,184,720,122,740,736 - Step 5: Solve for x
x = 1,197,159,363,184,720,122,740,736/1,264,247,275,400.70 - Step 6: Final answer
x = 946,934,501,247.22
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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.