Finding the Fourth Proportional to 469,077,430.97, 647,384,264.12 and 270,838,592.84
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Solution
The fourth proportional to 469,077,430.97, 647,384,264.12 and 270,838,592.84 is: 373,790,405.47
Step by Step Solution
- Step 1: Write the proportion equation
469,077,430.97 : 647,384,264.12 = 270,838,592.84 : x - Step 2: Convert to fraction form
469,077,430.97/647,384,264.12 = 270,838,592.84/x - Step 3: Cross multiply
469,077,430.97x = 647,384,264.12 × 270,838,592.84 - Step 4: Simplify right side
469,077,430.97x = 175,336,643,121,019,680 - Step 5: Solve for x
x = 175,336,643,121,019,680/469,077,430.97 - Step 6: Final answer
x = 373,790,405.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.