Finding the Fourth Proportional to 998,544,769.80, 1,497,817,154.70 and 416,696,590.95
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Solution
The fourth proportional to 998,544,769.80, 1,497,817,154.70 and 416,696,590.95 is: 625,044,886.43
Step by Step Solution
- Step 1: Write the proportion equation
998,544,769.80 : 1,497,817,154.70 = 416,696,590.95 : x - Step 2: Convert to fraction form
998,544,769.80/1,497,817,154.70 = 416,696,590.95/x - Step 3: Cross multiply
998,544,769.80x = 1,497,817,154.70 × 416,696,590.95 - Step 4: Simplify right side
998,544,769.80x = 624,135,302,229,918,720 - Step 5: Solve for x
x = 624,135,302,229,918,720/998,544,769.80 - Step 6: Final answer
x = 625,044,886.43
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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.