Finding the Fourth Proportional to 759,742,031.00, 1,048,476,770.46 and 420,650,504.66
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Solution
The fourth proportional to 759,742,031.00, 1,048,476,770.46 and 420,650,504.66 is: 580,515,839.09
Step by Step Solution
- Step 1: Write the proportion equation
759,742,031.00 : 1,048,476,770.46 = 420,650,504.66 : x - Step 2: Convert to fraction form
759,742,031.00/1,048,476,770.46 = 420,650,504.66/x - Step 3: Cross multiply
759,742,031.00x = 1,048,476,770.46 × 420,650,504.66 - Step 4: Simplify right side
759,742,031.00x = 441,042,282,615,014,784 - Step 5: Solve for x
x = 441,042,282,615,014,784/759,742,031.00 - Step 6: Final answer
x = 580,515,839.09
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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.