Finding the Fourth Proportional to 530,044,546.16, 731,437,878.35 and 303,821,349.54
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Solution
The fourth proportional to 530,044,546.16, 731,437,878.35 and 303,821,349.54 is: 419,259,937.52
Step by Step Solution
- Step 1: Write the proportion equation
530,044,546.16 : 731,437,878.35 = 303,821,349.54 : x - Step 2: Convert to fraction form
530,044,546.16/731,437,878.35 = 303,821,349.54/x - Step 3: Cross multiply
530,044,546.16x = 731,437,878.35 × 303,821,349.54 - Step 4: Simplify right side
530,044,546.16x = 222,226,443,304,971,360 - Step 5: Solve for x
x = 222,226,443,304,971,360/530,044,546.16 - Step 6: Final answer
x = 419,259,937.52
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1.5x scale
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.