Finding the Fourth Proportional to 3,742,948,312.80, 5,615,283,514.28 and 1,256,139,240.63
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Solution
The fourth proportional to 3,742,948,312.80, 5,615,283,514.28 and 1,256,139,240.63 is: 1,884,497,829.00
Step by Step Solution
- Step 1: Write the proportion equation
3,742,948,312.80 : 5,615,283,514.28 = 1,256,139,240.63 : x - Step 2: Convert to fraction form
3,742,948,312.80/5,615,283,514.28 = 1,256,139,240.63/x - Step 3: Cross multiply
3,742,948,312.80x = 5,615,283,514.28 × 1,256,139,240.63 - Step 4: Simplify right side
3,742,948,312.80x = 7,053,577,969,543,556,096 - Step 5: Solve for x
x = 7,053,577,969,543,556,096/3,742,948,312.80 - Step 6: Final answer
x = 1,884,497,829.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.