Finding the Fourth Proportional to 418,178,232.99, 577,019,182.80 and 232,540,599.15
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Solution
The fourth proportional to 418,178,232.99, 577,019,182.80 and 232,540,599.15 is: 320,868,892.51
Step by Step Solution
- Step 1: Write the proportion equation
418,178,232.99 : 577,019,182.80 = 232,540,599.15 : x - Step 2: Convert to fraction form
418,178,232.99/577,019,182.80 = 232,540,599.15/x - Step 3: Cross multiply
418,178,232.99x = 577,019,182.80 × 232,540,599.15 - Step 4: Simplify right side
418,178,232.99x = 134,180,386,489,355,360 - Step 5: Solve for x
x = 134,180,386,489,355,360/418,178,232.99 - Step 6: Final answer
x = 320,868,892.51
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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.