Finding the Fourth Proportional to 439,905,363.08, 607,001,916.49 and 254,230,521.08
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Solution
The fourth proportional to 439,905,363.08, 607,001,916.49 and 254,230,521.08 is: 350,799,118.35
Step by Step Solution
- Step 1: Write the proportion equation
439,905,363.08 : 607,001,916.49 = 254,230,521.08 : x - Step 2: Convert to fraction form
439,905,363.08/607,001,916.49 = 254,230,521.08/x - Step 3: Cross multiply
439,905,363.08x = 607,001,916.49 × 254,230,521.08 - Step 4: Simplify right side
439,905,363.08x = 154,318,413,522,140,736 - Step 5: Solve for x
x = 154,318,413,522,140,736/439,905,363.08 - Step 6: Final answer
x = 350,799,118.35
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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.