Finding the Fourth Proportional to 307,985,406,193.93, 424,963,662,792.09 and 177,726,740,569.17
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Solution
The fourth proportional to 307,985,406,193.93, 424,963,662,792.09 and 177,726,740,569.17 is: 245,230,472,384.19
Step by Step Solution
- Step 1: Write the proportion equation
307,985,406,193.93 : 424,963,662,792.09 = 177,726,740,569.17 : x - Step 2: Convert to fraction form
307,985,406,193.93/424,963,662,792.09 = 177,726,740,569.17/x - Step 3: Cross multiply
307,985,406,193.93x = 424,963,662,792.09 × 177,726,740,569.17 - Step 4: Simplify right side
307,985,406,193.93x = 75,527,406,648,374,033,645,568 - Step 5: Solve for x
x = 75,527,406,648,374,033,645,568/307,985,406,193.93 - Step 6: Final answer
x = 245,230,472,384.19
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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.