Finding the Fourth Proportional to 8,440,837,901.84, 12,645,275,526.84 and 5,634,344,030.96
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Solution
The fourth proportional to 8,440,837,901.84, 12,645,275,526.84 and 5,634,344,030.96 is: 8,440,848,350.96
Step by Step Solution
- Step 1: Write the proportion equation
8,440,837,901.84 : 12,645,275,526.84 = 5,634,344,030.96 : x - Step 2: Convert to fraction form
8,440,837,901.84/12,645,275,526.84 = 5,634,344,030.96/x - Step 3: Cross multiply
8,440,837,901.84x = 12,645,275,526.84 × 5,634,344,030.96 - Step 4: Simplify right side
8,440,837,901.84x = 71,247,832,684,495,527,936 - Step 5: Solve for x
x = 71,247,832,684,495,527,936/8,440,837,901.84 - Step 6: Final answer
x = 8,440,848,350.96
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1.5x scale
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.