Finding the Fourth Proportional to 628,744,828.62, 938,696,398.04 and 480,416,102.58
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Solution
The fourth proportional to 628,744,828.62, 938,696,398.04 and 480,416,102.58 is: 717,246,241.28
Step by Step Solution
- Step 1: Write the proportion equation
628,744,828.62 : 938,696,398.04 = 480,416,102.58 : x - Step 2: Convert to fraction form
628,744,828.62/938,696,398.04 = 480,416,102.58/x - Step 3: Cross multiply
628,744,828.62x = 938,696,398.04 × 480,416,102.58 - Step 4: Simplify right side
628,744,828.62x = 450,964,865,049,859,008 - Step 5: Solve for x
x = 450,964,865,049,859,008/628,744,828.62 - Step 6: Final answer
x = 717,246,241.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.