Finding the Fourth Proportional to 7,929,133,665,554.60, 10,942,204,984,655 and 4,413,357,289,107.20
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Solution
The fourth proportional to 7,929,133,665,554.60, 10,942,204,984,655 and 4,413,357,289,107.20 is: 6,090,433,351,845.20
Step by Step Solution
- Step 1: Write the proportion equation
7,929,133,665,554.60 : 10,942,204,984,655 = 4,413,357,289,107.20 : x - Step 2: Convert to fraction form
7,929,133,665,554.60/10,942,204,984,655 = 4,413,357,289,107.20/x - Step 3: Cross multiply
7,929,133,665,554.60x = 10,942,204,984,655 × 4,413,357,289,107.20 - Step 4: Simplify right side
7,929,133,665,554.60x = 48,291,860,127,932,281,400,590,336 - Step 5: Solve for x
x = 48,291,860,127,932,281,400,590,336/7,929,133,665,554.60 - Step 6: Final answer
x = 6,090,433,351,845.20
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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.