Finding the Fourth Proportional to 523,439,511.04, 722,337,139.84 and 285,286,831.36
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Solution
The fourth proportional to 523,439,511.04, 722,337,139.84 and 285,286,831.36 is: 393,690,712.02
Step by Step Solution
- Step 1: Write the proportion equation
523,439,511.04 : 722,337,139.84 = 285,286,831.36 : x - Step 2: Convert to fraction form
523,439,511.04/722,337,139.84 = 285,286,831.36/x - Step 3: Cross multiply
523,439,511.04x = 722,337,139.84 × 285,286,831.36 - Step 4: Simplify right side
523,439,511.04x = 206,073,273,798,598,848 - Step 5: Solve for x
x = 206,073,273,798,598,848/523,439,511.04 - Step 6: Final answer
x = 393,690,712.02
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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.