Finding the Fourth Proportional to 7,865,512,596.32, 10,854,411,737.94 and 4,248,536,318.32
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Solution
The fourth proportional to 7,865,512,596.32, 10,854,411,737.94 and 4,248,536,318.32 is: 5,862,982,471.63
Step by Step Solution
- Step 1: Write the proportion equation
7,865,512,596.32 : 10,854,411,737.94 = 4,248,536,318.32 : x - Step 2: Convert to fraction form
7,865,512,596.32/10,854,411,737.94 = 4,248,536,318.32/x - Step 3: Cross multiply
7,865,512,596.32x = 10,854,411,737.94 × 4,248,536,318.32 - Step 4: Simplify right side
7,865,512,596.32x = 46,115,362,482,637,004,800 - Step 5: Solve for x
x = 46,115,362,482,637,004,800/7,865,512,596.32 - Step 6: Final answer
x = 5,862,982,471.63
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1.5x scale
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.