Finding the Fourth Proportional to 2,267,667,928.84, 3,129,381,715.80 and 1,224,626,392.84
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Solution
The fourth proportional to 2,267,667,928.84, 3,129,381,715.80 and 1,224,626,392.84 is: 1,689,984,408.08
Step by Step Solution
- Step 1: Write the proportion equation
2,267,667,928.84 : 3,129,381,715.80 = 1,224,626,392.84 : x - Step 2: Convert to fraction form
2,267,667,928.84/3,129,381,715.80 = 1,224,626,392.84/x - Step 3: Cross multiply
2,267,667,928.84x = 3,129,381,715.80 × 1,224,626,392.84 - Step 4: Simplify right side
2,267,667,928.84x = 3,832,323,442,439,604,224 - Step 5: Solve for x
x = 3,832,323,442,439,604,224/2,267,667,928.84 - Step 6: Final answer
x = 1,689,984,408.08
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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.