Finding the Fourth Proportional to 4,721,003,462.96, 6,515,556,070.23 and 2,686,948,867.09
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Solution
The fourth proportional to 4,721,003,462.96, 6,515,556,070.23 and 2,686,948,867.09 is: 3,708,314,585.82
Step by Step Solution
- Step 1: Write the proportion equation
4,721,003,462.96 : 6,515,556,070.23 = 2,686,948,867.09 : x - Step 2: Convert to fraction form
4,721,003,462.96/6,515,556,070.23 = 2,686,948,867.09/x - Step 3: Cross multiply
4,721,003,462.96x = 6,515,556,070.23 × 2,686,948,867.09 - Step 4: Simplify right side
4,721,003,462.96x = 17,506,966,001,373,687,808 - Step 5: Solve for x
x = 17,506,966,001,373,687,808/4,721,003,462.96 - Step 6: Final answer
x = 3,708,314,585.82
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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.