Finding the Fourth Proportional to 602,069,129.80, 903,103,694.70 and 449,014,121.80
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Solution
The fourth proportional to 602,069,129.80, 903,103,694.70 and 449,014,121.80 is: 673,521,182.70
Step by Step Solution
- Step 1: Write the proportion equation
602,069,129.80 : 903,103,694.70 = 449,014,121.80 : x - Step 2: Convert to fraction form
602,069,129.80/903,103,694.70 = 449,014,121.80/x - Step 3: Cross multiply
602,069,129.80x = 903,103,694.70 × 449,014,121.80 - Step 4: Simplify right side
602,069,129.80x = 405,506,312,370,055,872 - Step 5: Solve for x
x = 405,506,312,370,055,872/602,069,129.80 - Step 6: Final answer
x = 673,521,182.70
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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.