Finding the Fourth Proportional to 247,252,603.70, 370,878,905.55 and 233,143,829.30
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Solution
The fourth proportional to 247,252,603.70, 370,878,905.55 and 233,143,829.30 is: 349,715,743.95
Step by Step Solution
- Step 1: Write the proportion equation
247,252,603.70 : 370,878,905.55 = 233,143,829.30 : x - Step 2: Convert to fraction form
247,252,603.70/370,878,905.55 = 233,143,829.30/x - Step 3: Cross multiply
247,252,603.70x = 370,878,905.55 × 233,143,829.30 - Step 4: Simplify right side
247,252,603.70x = 86,468,128,246,520,032 - Step 5: Solve for x
x = 86,468,128,246,520,032/247,252,603.70 - Step 6: Final answer
x = 349,715,743.95
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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.