Finding the Fourth Proportional to 74,807,444,639.60, 103,232,997,743.02 and 40,512,873,269.80
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Solution
The fourth proportional to 74,807,444,639.60, 103,232,997,743.02 and 40,512,873,269.80 is: 55,907,074,155.17
Step by Step Solution
- Step 1: Write the proportion equation
74,807,444,639.60 : 103,232,997,743.02 = 40,512,873,269.80 : x - Step 2: Convert to fraction form
74,807,444,639.60/103,232,997,743.02 = 40,512,873,269.80/x - Step 3: Cross multiply
74,807,444,639.60x = 103,232,997,743.02 × 40,512,873,269.80 - Step 4: Simplify right side
74,807,444,639.60x = 4,182,265,354,824,519,254,016 - Step 5: Solve for x
x = 4,182,265,354,824,519,254,016/74,807,444,639.60 - Step 6: Final answer
x = 55,907,074,155.17
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1.5x scale
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.