Finding the Fourth Proportional to 155,289,684,397.11, 232,957,817,319.51 and 54,542,794,792.70
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Solution
The fourth proportional to 155,289,684,397.11, 232,957,817,319.51 and 54,542,794,792.70 is: 81,822,372,649.82
Step by Step Solution
- Step 1: Write the proportion equation
155,289,684,397.11 : 232,957,817,319.51 = 54,542,794,792.70 : x - Step 2: Convert to fraction form
155,289,684,397.11/232,957,817,319.51 = 54,542,794,792.70/x - Step 3: Cross multiply
155,289,684,397.11x = 232,957,817,319.51 × 54,542,794,792.70 - Step 4: Simplify right side
155,289,684,397.11x = 12,706,170,425,413,327,650,816 - Step 5: Solve for x
x = 12,706,170,425,413,327,650,816/155,289,684,397.11 - Step 6: Final answer
x = 81,822,372,649.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.