Finding the Fourth Proportional to 575,117,742.94, 793,698,052.40 and 317,328,102.97
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Solution
The fourth proportional to 575,117,742.94, 793,698,052.40 and 317,328,102.97 is: 437,932,406.70
Step by Step Solution
- Step 1: Write the proportion equation
575,117,742.94 : 793,698,052.40 = 317,328,102.97 : x - Step 2: Convert to fraction form
575,117,742.94/793,698,052.40 = 317,328,102.97/x - Step 3: Cross multiply
575,117,742.94x = 793,698,052.40 × 317,328,102.97 - Step 4: Simplify right side
575,117,742.94x = 251,862,697,299,075,680 - Step 5: Solve for x
x = 251,862,697,299,075,680/575,117,742.94 - Step 6: Final answer
x = 437,932,406.70
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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.