Finding the Fourth Proportional to 6,335,236,239.91, 8,742,634,668.60 and 3,438,387,987.19
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Solution
The fourth proportional to 6,335,236,239.91, 8,742,634,668.60 and 3,438,387,987.19 is: 4,744,980,121.11
Step by Step Solution
- Step 1: Write the proportion equation
6,335,236,239.91 : 8,742,634,668.60 = 3,438,387,987.19 : x - Step 2: Convert to fraction form
6,335,236,239.91/8,742,634,668.60 = 3,438,387,987.19/x - Step 3: Cross multiply
6,335,236,239.91x = 8,742,634,668.60 × 3,438,387,987.19 - Step 4: Simplify right side
6,335,236,239.91x = 30,060,570,020,887,871,488 - Step 5: Solve for x
x = 30,060,570,020,887,871,488/6,335,236,239.91 - Step 6: Final answer
x = 4,744,980,121.11
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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.