Finding the Fourth Proportional to 7,929,133,665,486, 10,942,204,984,561 and 4,413,357,289,038.20
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Solution
The fourth proportional to 7,929,133,665,486, 10,942,204,984,561 and 4,413,357,289,038.20 is: 6,090,433,351,750.35
Step by Step Solution
- Step 1: Write the proportion equation
7,929,133,665,486 : 10,942,204,984,561 = 4,413,357,289,038.20 : x - Step 2: Convert to fraction form
7,929,133,665,486/10,942,204,984,561 = 4,413,357,289,038.20/x - Step 3: Cross multiply
7,929,133,665,486x = 10,942,204,984,561 × 4,413,357,289,038.20 - Step 4: Simplify right side
7,929,133,665,486x = 48,291,860,126,762,418,208,505,856 - Step 5: Solve for x
x = 48,291,860,126,762,418,208,505,856/7,929,133,665,486 - Step 6: Final answer
x = 6,090,433,351,750.35
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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.