Finding the Fourth Proportional to 772,173,369,760.05, 1,065,599,424,204.30 and 424,943,648,662.99
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Solution
The fourth proportional to 772,173,369,760.05, 1,065,599,424,204.30 and 424,943,648,662.99 is: 586,422,330,875.34
Step by Step Solution
- Step 1: Write the proportion equation
772,173,369,760.05 : 1,065,599,424,204.30 = 424,943,648,662.99 : x - Step 2: Convert to fraction form
772,173,369,760.05/1,065,599,424,204.30 = 424,943,648,662.99/x - Step 3: Cross multiply
772,173,369,760.05x = 1,065,599,424,204.30 × 424,943,648,662.99 - Step 4: Simplify right side
772,173,369,760.05x = 452,819,707,334,556,483,846,144 - Step 5: Solve for x
x = 452,819,707,334,556,483,846,144/772,173,369,760.05 - Step 6: Final answer
x = 586,422,330,875.34
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Double scale
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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.