Finding the Fourth Proportional to 2,242,021,468.90, 3,094,083,623.12 and 1,289,402,950.41
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Solution
The fourth proportional to 2,242,021,468.90, 3,094,083,623.12 and 1,289,402,950.41 is: 1,779,430,129.37
Step by Step Solution
- Step 1: Write the proportion equation
2,242,021,468.90 : 3,094,083,623.12 = 1,289,402,950.41 : x - Step 2: Convert to fraction form
2,242,021,468.90/3,094,083,623.12 = 1,289,402,950.41/x - Step 3: Cross multiply
2,242,021,468.90x = 3,094,083,623.12 × 1,289,402,950.41 - Step 4: Simplify right side
2,242,021,468.90x = 3,989,520,552,466,190,848 - Step 5: Solve for x
x = 3,989,520,552,466,190,848/2,242,021,468.90 - Step 6: Final answer
x = 1,779,430,129.37
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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.