Finding the Fourth Proportional to 314,338,697.30, 471,508,045.95 and 161,283,689.30
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Solution
The fourth proportional to 314,338,697.30, 471,508,045.95 and 161,283,689.30 is: 241,925,533.95
Step by Step Solution
- Step 1: Write the proportion equation
314,338,697.30 : 471,508,045.95 = 161,283,689.30 : x - Step 2: Convert to fraction form
314,338,697.30/471,508,045.95 = 161,283,689.30/x - Step 3: Cross multiply
314,338,697.30x = 471,508,045.95 × 161,283,689.30 - Step 4: Simplify right side
314,338,697.30x = 76,046,557,185,449,920 - Step 5: Solve for x
x = 76,046,557,185,449,920/314,338,697.30 - Step 6: Final answer
x = 241,925,533.95
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1.5x scale
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.