Finding the Fourth Proportional to 518,212,221.10, 777,318,331.65 and 227,646,854.35
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Solution
The fourth proportional to 518,212,221.10, 777,318,331.65 and 227,646,854.35 is: 341,470,281.53
Step by Step Solution
- Step 1: Write the proportion equation
518,212,221.10 : 777,318,331.65 = 227,646,854.35 : x - Step 2: Convert to fraction form
518,212,221.10/777,318,331.65 = 227,646,854.35/x - Step 3: Cross multiply
518,212,221.10x = 777,318,331.65 × 227,646,854.35 - Step 4: Simplify right side
518,212,221.10x = 176,954,073,028,712,544 - Step 5: Solve for x
x = 176,954,073,028,712,544/518,212,221.10 - Step 6: Final answer
x = 341,470,281.53
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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.