Finding the Fourth Proportional to 602,430,539.40, 903,645,809.10 and 418,764,529.80
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Solution
The fourth proportional to 602,430,539.40, 903,645,809.10 and 418,764,529.80 is: 628,146,794.70
Step by Step Solution
- Step 1: Write the proportion equation
602,430,539.40 : 903,645,809.10 = 418,764,529.80 : x - Step 2: Convert to fraction form
602,430,539.40/903,645,809.10 = 418,764,529.80/x - Step 3: Cross multiply
602,430,539.40x = 903,645,809.10 × 418,764,529.80 - Step 4: Simplify right side
602,430,539.40x = 378,414,812,353,502,080 - Step 5: Solve for x
x = 378,414,812,353,502,080/602,430,539.40 - Step 6: Final answer
x = 628,146,794.70
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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.