Finding the Fourth Proportional to 375,291,810.19, 562,447,446.36 and 209,288,690.56
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Solution
The fourth proportional to 375,291,810.19, 562,447,446.36 and 209,288,690.56 is: 313,659,627.95
Step by Step Solution
- Step 1: Write the proportion equation
375,291,810.19 : 562,447,446.36 = 209,288,690.56 : x - Step 2: Convert to fraction form
375,291,810.19/562,447,446.36 = 209,288,690.56/x - Step 3: Cross multiply
375,291,810.19x = 562,447,446.36 × 209,288,690.56 - Step 4: Simplify right side
375,291,810.19x = 117,713,889,557,500,240 - Step 5: Solve for x
x = 117,713,889,557,500,240/375,291,810.19 - Step 6: Final answer
x = 313,659,627.95
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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.