Finding the Fourth Proportional to 70,778,182,370.96, 106,166,546,403.28 and 40,913,510,772.80
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Solution
The fourth proportional to 70,778,182,370.96, 106,166,546,403.28 and 40,913,510,772.80 is: 61,369,845,826.44
Step by Step Solution
- Step 1: Write the proportion equation
70,778,182,370.96 : 106,166,546,403.28 = 40,913,510,772.80 : x - Step 2: Convert to fraction form
70,778,182,370.96/106,166,546,403.28 = 40,913,510,772.80/x - Step 3: Cross multiply
70,778,182,370.96x = 106,166,546,403.28 × 40,913,510,772.80 - Step 4: Simplify right side
70,778,182,370.96x = 4,343,646,139,981,567,623,168 - Step 5: Solve for x
x = 4,343,646,139,981,567,623,168/70,778,182,370.96 - Step 6: Final answer
x = 61,369,845,826.44
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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.