Finding the Fourth Proportional to 762,284,842.95, 1,051,360,023.76 and 551,382,815.62
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Solution
The fourth proportional to 762,284,842.95, 1,051,360,023.76 and 551,382,815.62 is: 760,479,308.34
Step by Step Solution
- Step 1: Write the proportion equation
762,284,842.95 : 1,051,360,023.76 = 551,382,815.62 : x - Step 2: Convert to fraction form
762,284,842.95/1,051,360,023.76 = 551,382,815.62/x - Step 3: Cross multiply
762,284,842.95x = 1,051,360,023.76 × 551,382,815.62 - Step 4: Simplify right side
762,284,842.95x = 579,701,850,125,842,048 - Step 5: Solve for x
x = 579,701,850,125,842,048/762,284,842.95 - Step 6: Final answer
x = 760,479,308.34
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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.