Finding the Fourth Proportional to 1,397,330,247.18, 2,095,773,248.12 and 464,575,512.63
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Solution
The fourth proportional to 1,397,330,247.18, 2,095,773,248.12 and 464,575,512.63 is: 696,789,419.01
Step by Step Solution
- Step 1: Write the proportion equation
1,397,330,247.18 : 2,095,773,248.12 = 464,575,512.63 : x - Step 2: Convert to fraction form
1,397,330,247.18/2,095,773,248.12 = 464,575,512.63/x - Step 3: Cross multiply
1,397,330,247.18x = 2,095,773,248.12 × 464,575,512.63 - Step 4: Simplify right side
1,397,330,247.18x = 973,644,931,099,266,304 - Step 5: Solve for x
x = 973,644,931,099,266,304/1,397,330,247.18 - Step 6: Final answer
x = 696,789,419.01
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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.