Finding the Fourth Proportional to 1,551,720,194,187.80, 2,327,580,291,281.80 and 916,970,465,010.20
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Solution
The fourth proportional to 1,551,720,194,187.80, 2,327,580,291,281.80 and 916,970,465,010.20 is: 1,375,455,697,515.36
Step by Step Solution
- Step 1: Write the proportion equation
1,551,720,194,187.80 : 2,327,580,291,281.80 = 916,970,465,010.20 : x - Step 2: Convert to fraction form
1,551,720,194,187.80/2,327,580,291,281.80 = 916,970,465,010.20/x - Step 3: Cross multiply
1,551,720,194,187.80x = 2,327,580,291,281.80 × 916,970,465,010.20 - Step 4: Simplify right side
1,551,720,194,187.80x = 2,134,322,382,045,248,726,499,328 - Step 5: Solve for x
x = 2,134,322,382,045,248,726,499,328/1,551,720,194,187.80 - Step 6: Final answer
x = 1,375,455,697,515.36
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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.