Finding the Fourth Proportional to 437,219,959.94, 655,944,801.60 and 157,129,153.83
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Solution
The fourth proportional to 437,219,959.94, 655,944,801.60 and 157,129,153.83 is: 235,735,010.02
Step by Step Solution
- Step 1: Write the proportion equation
437,219,959.94 : 655,944,801.60 = 157,129,153.83 : x - Step 2: Convert to fraction form
437,219,959.94/655,944,801.60 = 157,129,153.83/x - Step 3: Cross multiply
437,219,959.94x = 655,944,801.60 × 157,129,153.83 - Step 4: Simplify right side
437,219,959.94x = 103,068,051,635,184,464 - Step 5: Solve for x
x = 103,068,051,635,184,464/437,219,959.94 - Step 6: Final answer
x = 235,735,010.02
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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.