Finding the Fourth Proportional to 991,153,008.84, 1,485,390,241.84 and 377,402,426.76
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Solution
The fourth proportional to 991,153,008.84, 1,485,390,241.84 and 377,402,426.76 is: 565,593,684.28
Step by Step Solution
- Step 1: Write the proportion equation
991,153,008.84 : 1,485,390,241.84 = 377,402,426.76 : x - Step 2: Convert to fraction form
991,153,008.84/1,485,390,241.84 = 377,402,426.76/x - Step 3: Cross multiply
991,153,008.84x = 1,485,390,241.84 × 377,402,426.76 - Step 4: Simplify right side
991,153,008.84x = 560,589,881,956,039,232 - Step 5: Solve for x
x = 560,589,881,956,039,232/991,153,008.84 - Step 6: Final answer
x = 565,593,684.28
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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.