Finding the Fourth Proportional to 316,340,545.50, 474,586,577.75 and 132,005,480.09
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Solution
The fourth proportional to 316,340,545.50, 474,586,577.75 and 132,005,480.09 is: 198,039,833.75
Step by Step Solution
- Step 1: Write the proportion equation
316,340,545.50 : 474,586,577.75 = 132,005,480.09 : x - Step 2: Convert to fraction form
316,340,545.50/474,586,577.75 = 132,005,480.09/x - Step 3: Cross multiply
316,340,545.50x = 474,586,577.75 × 132,005,480.09 - Step 4: Simplify right side
316,340,545.50x = 62,648,029,038,115,936 - Step 5: Solve for x
x = 62,648,029,038,115,936/316,340,545.50 - Step 6: Final answer
x = 198,039,833.75
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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.