Finding the Fourth Proportional to 562,138,763.44, 775,775,735.45 and 311,243,160.06
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Solution
The fourth proportional to 562,138,763.44, 775,775,735.45 and 311,243,160.06 is: 429,528,983.06
Step by Step Solution
- Step 1: Write the proportion equation
562,138,763.44 : 775,775,735.45 = 311,243,160.06 : x - Step 2: Convert to fraction form
562,138,763.44/775,775,735.45 = 311,243,160.06/x - Step 3: Cross multiply
562,138,763.44x = 775,775,735.45 × 311,243,160.06 - Step 4: Simplify right side
562,138,763.44x = 241,454,891,399,328,576 - Step 5: Solve for x
x = 241,454,891,399,328,576/562,138,763.44 - Step 6: Final answer
x = 429,528,983.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.