Finding the Fourth Proportional to 74,907,011,816.36, 112,281,864,106.62 and 25,203,078,212.84
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Solution
The fourth proportional to 74,907,011,816.36, 112,281,864,106.62 and 25,203,078,212.84 is: 37,778,153,664.71
Step by Step Solution
- Step 1: Write the proportion equation
74,907,011,816.36 : 112,281,864,106.62 = 25,203,078,212.84 : x - Step 2: Convert to fraction form
74,907,011,816.36/112,281,864,106.62 = 25,203,078,212.84/x - Step 3: Cross multiply
74,907,011,816.36x = 112,281,864,106.62 × 25,203,078,212.84 - Step 4: Simplify right side
74,907,011,816.36x = 2,829,848,602,962,616,123,392 - Step 5: Solve for x
x = 2,829,848,602,962,616,123,392/74,907,011,816.36 - Step 6: Final answer
x = 37,778,153,664.71
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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.