Finding the Fourth Proportional to 562,138,762.44, 775,775,734.07 and 311,243,159.06
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Solution
The fourth proportional to 562,138,762.44, 775,775,734.07 and 311,243,159.06 is: 429,528,981.67
Step by Step Solution
- Step 1: Write the proportion equation
562,138,762.44 : 775,775,734.07 = 311,243,159.06 : x - Step 2: Convert to fraction form
562,138,762.44/775,775,734.07 = 311,243,159.06/x - Step 3: Cross multiply
562,138,762.44x = 775,775,734.07 × 311,243,159.06 - Step 4: Simplify right side
562,138,762.44x = 241,454,890,191,511,328 - Step 5: Solve for x
x = 241,454,890,191,511,328/562,138,762.44 - Step 6: Final answer
x = 429,528,981.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.