Finding the Fourth Proportional to 1,048,954,281.44, 1,447,549,544.48 and 572,644,650.24
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Solution
The fourth proportional to 1,048,954,281.44, 1,447,549,544.48 and 572,644,650.24 is: 790,245,597.23
Step by Step Solution
- Step 1: Write the proportion equation
1,048,954,281.44 : 1,447,549,544.48 = 572,644,650.24 : x - Step 2: Convert to fraction form
1,048,954,281.44/1,447,549,544.48 = 572,644,650.24/x - Step 3: Cross multiply
1,048,954,281.44x = 1,447,549,544.48 × 572,644,650.24 - Step 4: Simplify right side
1,048,954,281.44x = 828,931,502,600,957,696 - Step 5: Solve for x
x = 828,931,502,600,957,696/1,048,954,281.44 - Step 6: Final answer
x = 790,245,597.23
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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.