Finding the Fourth Proportional to 782,854,304.79, 1,080,343,211.49 and 460,996,314.15
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Solution
The fourth proportional to 782,854,304.79, 1,080,343,211.49 and 460,996,314.15 is: 636,177,428.50
Step by Step Solution
- Step 1: Write the proportion equation
782,854,304.79 : 1,080,343,211.49 = 460,996,314.15 : x - Step 2: Convert to fraction form
782,854,304.79/1,080,343,211.49 = 460,996,314.15/x - Step 3: Cross multiply
782,854,304.79x = 1,080,343,211.49 × 460,996,314.15 - Step 4: Simplify right side
782,854,304.79x = 498,034,238,513,863,936 - Step 5: Solve for x
x = 498,034,238,513,863,936/782,854,304.79 - Step 6: Final answer
x = 636,177,428.50
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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.