Finding the Fourth Proportional to 265,616,428.80, 398,424,643.20 and 136,476,265.80
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Solution
The fourth proportional to 265,616,428.80, 398,424,643.20 and 136,476,265.80 is: 204,714,398.70
Step by Step Solution
- Step 1: Write the proportion equation
265,616,428.80 : 398,424,643.20 = 136,476,265.80 : x - Step 2: Convert to fraction form
265,616,428.80/398,424,643.20 = 136,476,265.80/x - Step 3: Cross multiply
265,616,428.80x = 398,424,643.20 × 136,476,265.80 - Step 4: Simplify right side
265,616,428.80x = 54,375,507,506,633,368 - Step 5: Solve for x
x = 54,375,507,506,633,368/265,616,428.80 - Step 6: Final answer
x = 204,714,398.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.