Finding the Fourth Proportional to 1,267,118,934.08, 1,748,627,895.49 and 702,643,582.22
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Solution
The fourth proportional to 1,267,118,934.08, 1,748,627,895.49 and 702,643,582.22 is: 969,650,232.04
Step by Step Solution
- Step 1: Write the proportion equation
1,267,118,934.08 : 1,748,627,895.49 = 702,643,582.22 : x - Step 2: Convert to fraction form
1,267,118,934.08/1,748,627,895.49 = 702,643,582.22/x - Step 3: Cross multiply
1,267,118,934.08x = 1,748,627,895.49 × 702,643,582.22 - Step 4: Simplify right side
1,267,118,934.08x = 1,228,662,168,446,413,568 - Step 5: Solve for x
x = 1,228,662,168,446,413,568/1,267,118,934.08 - Step 6: Final answer
x = 969,650,232.04
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1.5x scale
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.