Finding the Fourth Proportional to 3,543,477,051.09, 4,890,000,292.16 and 1,913,999,875.49
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Solution
The fourth proportional to 3,543,477,051.09, 4,890,000,292.16 and 1,913,999,875.49 is: 2,641,320,887.76
Step by Step Solution
- Step 1: Write the proportion equation
3,543,477,051.09 : 4,890,000,292.16 = 1,913,999,875.49 : x - Step 2: Convert to fraction form
3,543,477,051.09/4,890,000,292.16 = 1,913,999,875.49/x - Step 3: Cross multiply
3,543,477,051.09x = 4,890,000,292.16 × 1,913,999,875.49 - Step 4: Simplify right side
3,543,477,051.09x = 9,359,459,950,340,302,848 - Step 5: Solve for x
x = 9,359,459,950,340,302,848/3,543,477,051.09 - Step 6: Final answer
x = 2,641,320,887.76
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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.