Finding the Fourth Proportional to 352,506,705.54, 486,449,579.21 and 195,869,785.20
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Solution
The fourth proportional to 352,506,705.54, 486,449,579.21 and 195,869,785.20 is: 270,294,927.99
Step by Step Solution
- Step 1: Write the proportion equation
352,506,705.54 : 486,449,579.21 = 195,869,785.20 : x - Step 2: Convert to fraction form
352,506,705.54/486,449,579.21 = 195,869,785.20/x - Step 3: Cross multiply
352,506,705.54x = 486,449,579.21 × 195,869,785.20 - Step 4: Simplify right side
352,506,705.54x = 95,280,774,589,513,728 - Step 5: Solve for x
x = 95,280,774,589,513,728/352,506,705.54 - Step 6: Final answer
x = 270,294,927.99
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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.