Finding the Fourth Proportional to 653,112,412.26, 901,295,177.67 and 359,756,980.26
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Solution
The fourth proportional to 653,112,412.26, 901,295,177.67 and 359,756,980.26 is: 496,464,659.61
Step by Step Solution
- Step 1: Write the proportion equation
653,112,412.26 : 901,295,177.67 = 359,756,980.26 : x - Step 2: Convert to fraction form
653,112,412.26/901,295,177.67 = 359,756,980.26/x - Step 3: Cross multiply
653,112,412.26x = 901,295,177.67 × 359,756,980.26 - Step 4: Simplify right side
653,112,412.26x = 324,247,231,441,459,328 - Step 5: Solve for x
x = 324,247,231,441,459,328/653,112,412.26 - Step 6: Final answer
x = 496,464,659.61
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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.