Finding the Fourth Proportional to 374,814,244.84, 517,240,052.58 and 215,986,014.76
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Solution
The fourth proportional to 374,814,244.84, 517,240,052.58 and 215,986,014.76 is: 298,058,622.82
Step by Step Solution
- Step 1: Write the proportion equation
374,814,244.84 : 517,240,052.58 = 215,986,014.76 : x - Step 2: Convert to fraction form
374,814,244.84/517,240,052.58 = 215,986,014.76/x - Step 3: Cross multiply
374,814,244.84x = 517,240,052.58 × 215,986,014.76 - Step 4: Simplify right side
374,814,244.84x = 111,716,617,631,007,040 - Step 5: Solve for x
x = 111,716,617,631,007,040/374,814,244.84 - Step 6: Final answer
x = 298,058,622.82
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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.