Finding the Fourth Proportional to 576,487,246.20, 864,994,375.26 and 313,778,245.20
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Solution
The fourth proportional to 576,487,246.20, 864,994,375.26 and 313,778,245.20 is: 470,810,792.37
Step by Step Solution
- Step 1: Write the proportion equation
576,487,246.20 : 864,994,375.26 = 313,778,245.20 : x - Step 2: Convert to fraction form
576,487,246.20/864,994,375.26 = 313,778,245.20/x - Step 3: Cross multiply
576,487,246.20x = 864,994,375.26 × 313,778,245.20 - Step 4: Simplify right side
576,487,246.20x = 271,416,417,176,953,088 - Step 5: Solve for x
x = 271,416,417,176,953,088/576,487,246.20 - Step 6: Final answer
x = 470,810,792.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.