Finding the Fourth Proportional to 295,247,817,984.80, 442,828,728,807.60 and 85,846,732,032.80
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Solution
The fourth proportional to 295,247,817,984.80, 442,828,728,807.60 and 85,846,732,032.80 is: 128,757,595,832.02
Step by Step Solution
- Step 1: Write the proportion equation
295,247,817,984.80 : 442,828,728,807.60 = 85,846,732,032.80 : x - Step 2: Convert to fraction form
295,247,817,984.80/442,828,728,807.60 = 85,846,732,032.80/x - Step 3: Cross multiply
295,247,817,984.80x = 442,828,728,807.60 × 85,846,732,032.80 - Step 4: Simplify right side
295,247,817,984.80x = 38,015,399,218,371,497,033,728 - Step 5: Solve for x
x = 38,015,399,218,371,497,033,728/295,247,817,984.80 - Step 6: Final answer
x = 128,757,595,832.02
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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.