Finding the Fourth Proportional to 437,364,695.38, 603,564,364.83 and 239,138,981.14
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Solution
The fourth proportional to 437,364,695.38, 603,564,364.83 and 239,138,981.14 is: 330,012,387.33
Step by Step Solution
- Step 1: Write the proportion equation
437,364,695.38 : 603,564,364.83 = 239,138,981.14 : x - Step 2: Convert to fraction form
437,364,695.38/603,564,364.83 = 239,138,981.14/x - Step 3: Cross multiply
437,364,695.38x = 603,564,364.83 × 239,138,981.14 - Step 4: Simplify right side
437,364,695.38x = 144,335,767,257,857,440 - Step 5: Solve for x
x = 144,335,767,257,857,440/437,364,695.38 - Step 6: Final answer
x = 330,012,387.33
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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.