Finding the Fourth Proportional to 1,241,962,319.59, 1,713,913,329.44 and 677,459,503.09
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Solution
The fourth proportional to 1,241,962,319.59, 1,713,913,329.44 and 677,459,503.09 is: 934,897,020.77
Step by Step Solution
- Step 1: Write the proportion equation
1,241,962,319.59 : 1,713,913,329.44 = 677,459,503.09 : x - Step 2: Convert to fraction form
1,241,962,319.59/1,713,913,329.44 = 677,459,503.09/x - Step 3: Cross multiply
1,241,962,319.59x = 1,713,913,329.44 × 677,459,503.09 - Step 4: Simplify right side
1,241,962,319.59x = 1,161,106,872,490,906,880 - Step 5: Solve for x
x = 1,161,106,872,490,906,880/1,241,962,319.59 - Step 6: Final answer
x = 934,897,020.77
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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.