Finding the Fourth Proportional to 4,659,748,152.80, 6,430,414,235.60 and 2,545,205,445.60
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Solution
The fourth proportional to 4,659,748,152.80, 6,430,414,235.60 and 2,545,205,445.60 is: 3,512,362,641.33
Step by Step Solution
- Step 1: Write the proportion equation
4,659,748,152.80 : 6,430,414,235.60 = 2,545,205,445.60 : x - Step 2: Convert to fraction form
4,659,748,152.80/6,430,414,235.60 = 2,545,205,445.60/x - Step 3: Cross multiply
4,659,748,152.80x = 6,430,414,235.60 × 2,545,205,445.60 - Step 4: Simplify right side
4,659,748,152.80x = 16,366,725,329,912,881,152 - Step 5: Solve for x
x = 16,366,725,329,912,881,152/4,659,748,152.80 - Step 6: Final answer
x = 3,512,362,641.33
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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.