Finding the Fourth Proportional to 1,672,313,268.51, 2,508,307,813.26 and 507,791,996.28
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Solution
The fourth proportional to 1,672,313,268.51, 2,508,307,813.26 and 507,791,996.28 is: 761,638,776.52
Step by Step Solution
- Step 1: Write the proportion equation
1,672,313,268.51 : 2,508,307,813.26 = 507,791,996.28 : x - Step 2: Convert to fraction form
1,672,313,268.51/2,508,307,813.26 = 507,791,996.28/x - Step 3: Cross multiply
1,672,313,268.51x = 2,508,307,813.26 × 507,791,996.28 - Step 4: Simplify right side
1,672,313,268.51x = 1,273,698,631,780,016,896 - Step 5: Solve for x
x = 1,273,698,631,780,016,896/1,672,313,268.51 - Step 6: Final answer
x = 761,638,776.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.