Finding the Fourth Proportional to 529,147,177.66, 730,264,008.36 and 317,461,974.67
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Solution
The fourth proportional to 529,147,177.66, 730,264,008.36 and 317,461,974.67 is: 438,122,064.92
Step by Step Solution
- Step 1: Write the proportion equation
529,147,177.66 : 730,264,008.36 = 317,461,974.67 : x - Step 2: Convert to fraction form
529,147,177.66/730,264,008.36 = 317,461,974.67/x - Step 3: Cross multiply
529,147,177.66x = 730,264,008.36 × 317,461,974.67 - Step 4: Simplify right side
529,147,177.66x = 231,831,054,124,395,008 - Step 5: Solve for x
x = 231,831,054,124,395,008/529,147,177.66 - Step 6: Final answer
x = 438,122,064.92
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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.