Finding the Fourth Proportional to 5,007,170,272.91, 6,909,549,324.95 and 2,779,327,085.63
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Solution
The fourth proportional to 5,007,170,272.91, 6,909,549,324.95 and 2,779,327,085.63 is: 3,835,279,517.50
Step by Step Solution
- Step 1: Write the proportion equation
5,007,170,272.91 : 6,909,549,324.95 = 2,779,327,085.63 : x - Step 2: Convert to fraction form
5,007,170,272.91/6,909,549,324.95 = 2,779,327,085.63/x - Step 3: Cross multiply
5,007,170,272.91x = 6,909,549,324.95 × 2,779,327,085.63 - Step 4: Simplify right side
5,007,170,272.91x = 19,203,897,588,302,417,920 - Step 5: Solve for x
x = 19,203,897,588,302,417,920/5,007,170,272.91 - Step 6: Final answer
x = 3,835,279,517.50
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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.