Finding the Fourth Proportional to 4,896,643,463.60, 7,344,965,195.40 and 4,850,726,961.20
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Solution
The fourth proportional to 4,896,643,463.60, 7,344,965,195.40 and 4,850,726,961.20 is: 7,276,090,441.80
Step by Step Solution
- Step 1: Write the proportion equation
4,896,643,463.60 : 7,344,965,195.40 = 4,850,726,961.20 : x - Step 2: Convert to fraction form
4,896,643,463.60/7,344,965,195.40 = 4,850,726,961.20/x - Step 3: Cross multiply
4,896,643,463.60x = 7,344,965,195.40 × 4,850,726,961.20 - Step 4: Simplify right side
4,896,643,463.60x = 35,628,420,702,402,404,352 - Step 5: Solve for x
x = 35,628,420,702,402,404,352/4,896,643,463.60 - Step 6: Final answer
x = 7,276,090,441.80
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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.