Finding the Fourth Proportional to 1,263,063,631.05, 1,742,939,326.13 and 734,390,110.26
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Solution
The fourth proportional to 1,263,063,631.05, 1,742,939,326.13 and 734,390,110.26 is: 1,013,406,903.99
Step by Step Solution
- Step 1: Write the proportion equation
1,263,063,631.05 : 1,742,939,326.13 = 734,390,110.26 : x - Step 2: Convert to fraction form
1,263,063,631.05/1,742,939,326.13 = 734,390,110.26/x - Step 3: Cross multiply
1,263,063,631.05x = 1,742,939,326.13 × 734,390,110.26 - Step 4: Simplify right side
1,263,063,631.05x = 1,279,997,403,889,428,736 - Step 5: Solve for x
x = 1,279,997,403,889,428,736/1,263,063,631.05 - Step 6: Final answer
x = 1,013,406,903.99
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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.