Finding the Fourth Proportional to 498,265,358.93, 747,395,319.68 and 203,159,320.91
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Solution
The fourth proportional to 498,265,358.93, 747,395,319.68 and 203,159,320.91 is: 304,737,872.85
Step by Step Solution
- Step 1: Write the proportion equation
498,265,358.93 : 747,395,319.68 = 203,159,320.91 : x - Step 2: Convert to fraction form
498,265,358.93/747,395,319.68 = 203,159,320.91/x - Step 3: Cross multiply
498,265,358.93x = 747,395,319.68 × 203,159,320.91 - Step 4: Simplify right side
498,265,358.93x = 151,840,325,592,748,384 - Step 5: Solve for x
x = 151,840,325,592,748,384/498,265,358.93 - Step 6: Final answer
x = 304,737,872.85
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1.5x scale
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.