Finding the Fourth Proportional to 434,433,202.80, 651,476,593.80 and 143,219,281.20
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Solution
The fourth proportional to 434,433,202.80, 651,476,593.80 and 143,219,281.20 is: 214,771,819.65
Step by Step Solution
- Step 1: Write the proportion equation
434,433,202.80 : 651,476,593.80 = 143,219,281.20 : x - Step 2: Convert to fraction form
434,433,202.80/651,476,593.80 = 143,219,281.20/x - Step 3: Cross multiply
434,433,202.80x = 651,476,593.80 × 143,219,281.20 - Step 4: Simplify right side
434,433,202.80x = 93,304,009,482,660,368 - Step 5: Solve for x
x = 93,304,009,482,660,368/434,433,202.80 - Step 6: Final answer
x = 214,771,819.65
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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.