Finding the Fourth Proportional to 746,884,969.54, 1,030,702,709.38 and 412,358,138.98
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Solution
The fourth proportional to 746,884,969.54, 1,030,702,709.38 and 412,358,138.98 is: 569,055,033.12
Step by Step Solution
- Step 1: Write the proportion equation
746,884,969.54 : 1,030,702,709.38 = 412,358,138.98 : x - Step 2: Convert to fraction form
746,884,969.54/1,030,702,709.38 = 412,358,138.98/x - Step 3: Cross multiply
746,884,969.54x = 1,030,702,709.38 × 412,358,138.98 - Step 4: Simplify right side
746,884,969.54x = 425,018,651,081,580,608 - Step 5: Solve for x
x = 425,018,651,081,580,608/746,884,969.54 - Step 6: Final answer
x = 569,055,033.12
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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.