Finding the Fourth Proportional to 4,721,003,469.51, 6,515,556,079.28 and 2,686,948,873.65
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Solution
The fourth proportional to 4,721,003,469.51, 6,515,556,079.28 and 2,686,948,873.65 is: 3,708,314,594.87
Step by Step Solution
- Step 1: Write the proportion equation
4,721,003,469.51 : 6,515,556,079.28 = 2,686,948,873.65 : x - Step 2: Convert to fraction form
4,721,003,469.51/6,515,556,079.28 = 2,686,948,873.65/x - Step 3: Cross multiply
4,721,003,469.51x = 6,515,556,079.28 × 2,686,948,873.65 - Step 4: Simplify right side
4,721,003,469.51x = 17,506,966,068,411,371,520 - Step 5: Solve for x
x = 17,506,966,068,411,371,520/4,721,003,469.51 - Step 6: Final answer
x = 3,708,314,594.87
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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.