Finding the Fourth Proportional to 977,887,536.30, 1,466,831,304.45 and 322,939,647.90
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Solution
The fourth proportional to 977,887,536.30, 1,466,831,304.45 and 322,939,647.90 is: 484,409,471.85
Step by Step Solution
- Step 1: Write the proportion equation
977,887,536.30 : 1,466,831,304.45 = 322,939,647.90 : x - Step 2: Convert to fraction form
977,887,536.30/1,466,831,304.45 = 322,939,647.90/x - Step 3: Cross multiply
977,887,536.30x = 1,466,831,304.45 × 322,939,647.90 - Step 4: Simplify right side
977,887,536.30x = 473,697,984,987,780,672 - Step 5: Solve for x
x = 473,697,984,987,780,672/977,887,536.30 - Step 6: Final answer
x = 484,409,471.85
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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.