Finding the Fourth Proportional to 19,881,146,509.92, 27,436,564,335.60 and 10,849,486,583.52
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Solution
The fourth proportional to 19,881,146,509.92, 27,436,564,335.60 and 10,849,486,583.52 is: 14,972,609,175.66
Step by Step Solution
- Step 1: Write the proportion equation
19,881,146,509.92 : 27,436,564,335.60 = 10,849,486,583.52 : x - Step 2: Convert to fraction form
19,881,146,509.92/27,436,564,335.60 = 10,849,486,583.52/x - Step 3: Cross multiply
19,881,146,509.92x = 27,436,564,335.60 × 10,849,486,583.52 - Step 4: Simplify right side
19,881,146,509.92x = 297,672,636,656,975,544,320 - Step 5: Solve for x
x = 297,672,636,656,975,544,320/19,881,146,509.92 - Step 6: Final answer
x = 14,972,609,175.66
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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.