Finding the Fourth Proportional to 476,953,802.70, 715,430,704.05 and 258,708,698.70
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Solution
The fourth proportional to 476,953,802.70, 715,430,704.05 and 258,708,698.70 is: 388,063,048.05
Step by Step Solution
- Step 1: Write the proportion equation
476,953,802.70 : 715,430,704.05 = 258,708,698.70 : x - Step 2: Convert to fraction form
476,953,802.70/715,430,704.05 = 258,708,698.70/x - Step 3: Cross multiply
476,953,802.70x = 715,430,704.05 × 258,708,698.70 - Step 4: Simplify right side
476,953,802.70x = 185,088,146,454,800,288 - Step 5: Solve for x
x = 185,088,146,454,800,288/476,953,802.70 - Step 6: Final answer
x = 388,063,048.05
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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.