Finding the Fourth Proportional to 5,908,072,390.53, 8,153,334,365.42 and 3,231,791,325.07
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Solution
The fourth proportional to 5,908,072,390.53, 8,153,334,365.42 and 3,231,791,325.07 is: 4,459,978,404.26
Step by Step Solution
- Step 1: Write the proportion equation
5,908,072,390.53 : 8,153,334,365.42 = 3,231,791,325.07 : x - Step 2: Convert to fraction form
5,908,072,390.53/8,153,334,365.42 = 3,231,791,325.07/x - Step 3: Cross multiply
5,908,072,390.53x = 8,153,334,365.42 × 3,231,791,325.07 - Step 4: Simplify right side
5,908,072,390.53x = 26,349,875,272,559,472,640 - Step 5: Solve for x
x = 26,349,875,272,559,472,640/5,908,072,390.53 - Step 6: Final answer
x = 4,459,978,404.26
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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.