Finding the Fourth Proportional to 620,878,402.80, 931,158,749.16 and 184,076,947.44
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Solution
The fourth proportional to 620,878,402.80, 931,158,749.16 and 184,076,947.44 is: 276,068,324.09
Step by Step Solution
- Step 1: Write the proportion equation
620,878,402.80 : 931,158,749.16 = 184,076,947.44 : x - Step 2: Convert to fraction form
620,878,402.80/931,158,749.16 = 184,076,947.44/x - Step 3: Cross multiply
620,878,402.80x = 931,158,749.16 × 184,076,947.44 - Step 4: Simplify right side
620,878,402.80x = 171,404,860,127,421,440 - Step 5: Solve for x
x = 171,404,860,127,421,440/620,878,402.80 - Step 6: Final answer
x = 276,068,324.09
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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.