Finding the Fourth Proportional to 544,251,578.94, 751,130,941.98 and 309,337,551.18
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Solution
The fourth proportional to 544,251,578.94, 751,130,941.98 and 309,337,551.18 is: 426,922,061.78
Step by Step Solution
- Step 1: Write the proportion equation
544,251,578.94 : 751,130,941.98 = 309,337,551.18 : x - Step 2: Convert to fraction form
544,251,578.94/751,130,941.98 = 309,337,551.18/x - Step 3: Cross multiply
544,251,578.94x = 751,130,941.98 × 309,337,551.18 - Step 4: Simplify right side
544,251,578.94x = 232,353,006,207,619,872 - Step 5: Solve for x
x = 232,353,006,207,619,872/544,251,578.94 - Step 6: Final answer
x = 426,922,061.78
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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.