Finding the Fourth Proportional to 888,840,137.72, 1,226,598,963.42 and 531,607,908.17
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Solution
The fourth proportional to 888,840,137.72, 1,226,598,963.42 and 531,607,908.17 is: 733,618,658.12
Step by Step Solution
- Step 1: Write the proportion equation
888,840,137.72 : 1,226,598,963.42 = 531,607,908.17 : x - Step 2: Convert to fraction form
888,840,137.72/1,226,598,963.42 = 531,607,908.17/x - Step 3: Cross multiply
888,840,137.72x = 1,226,598,963.42 × 531,607,908.17 - Step 4: Simplify right side
888,840,137.72x = 652,069,709,110,263,168 - Step 5: Solve for x
x = 652,069,709,110,263,168/888,840,137.72 - Step 6: Final answer
x = 733,618,658.12
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1.5x scale
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.