Finding the Fourth Proportional to 465,807,688.14, 698,449,350.93 and 154,748,775.42
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Solution
The fourth proportional to 465,807,688.14, 698,449,350.93 and 154,748,775.42 is: 232,036,062.31
Step by Step Solution
- Step 1: Write the proportion equation
465,807,688.14 : 698,449,350.93 = 154,748,775.42 : x - Step 2: Convert to fraction form
465,807,688.14/698,449,350.93 = 154,748,775.42/x - Step 3: Cross multiply
465,807,688.14x = 698,449,350.93 × 154,748,775.42 - Step 4: Simplify right side
465,807,688.14x = 108,084,181,749,311,328 - Step 5: Solve for x
x = 108,084,181,749,311,328/465,807,688.14 - Step 6: Final answer
x = 232,036,062.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.