Finding the Fourth Proportional to 296,718,780.08, 409,417,774.58 and 171,225,194.15
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Solution
The fourth proportional to 296,718,780.08, 409,417,774.58 and 171,225,194.15 is: 236,259,524.67
Step by Step Solution
- Step 1: Write the proportion equation
296,718,780.08 : 409,417,774.58 = 171,225,194.15 : x - Step 2: Convert to fraction form
296,718,780.08/409,417,774.58 = 171,225,194.15/x - Step 3: Cross multiply
296,718,780.08x = 409,417,774.58 × 171,225,194.15 - Step 4: Simplify right side
296,718,780.08x = 70,102,637,942,373,040 - Step 5: Solve for x
x = 70,102,637,942,373,040/296,718,780.08 - Step 6: Final answer
x = 236,259,524.67
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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.