Finding the Fourth Proportional to 924,055,634.76, 1,275,259,340.94 and 522,029,948.48
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Solution
The fourth proportional to 924,055,634.76, 1,275,259,340.94 and 522,029,948.48 is: 720,436,673.95
Step by Step Solution
- Step 1: Write the proportion equation
924,055,634.76 : 1,275,259,340.94 = 522,029,948.48 : x - Step 2: Convert to fraction form
924,055,634.76/1,275,259,340.94 = 522,029,948.48/x - Step 3: Cross multiply
924,055,634.76x = 1,275,259,340.94 × 522,029,948.48 - Step 4: Simplify right side
924,055,634.76x = 665,723,568,049,547,008 - Step 5: Solve for x
x = 665,723,568,049,547,008/924,055,634.76 - Step 6: Final answer
x = 720,436,673.95
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Double scale
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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.