Finding the Fourth Proportional to 518,126,875.75, 777,540,010.51 and 202,953,811.12
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Solution
The fourth proportional to 518,126,875.75, 777,540,010.51 and 202,953,811.12 is: 304,567,695.32
Step by Step Solution
- Step 1: Write the proportion equation
518,126,875.75 : 777,540,010.51 = 202,953,811.12 : x - Step 2: Convert to fraction form
518,126,875.75/777,540,010.51 = 202,953,811.12/x - Step 3: Cross multiply
518,126,875.75x = 777,540,010.51 × 202,953,811.12 - Step 4: Simplify right side
518,126,875.75x = 157,804,708,427,401,664 - Step 5: Solve for x
x = 157,804,708,427,401,664/518,126,875.75 - Step 6: Final answer
x = 304,567,695.32
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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.