Finding the Fourth Proportional to 425,180,283.20, 586,748,787.36 and 229,609,977.92
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Solution
The fourth proportional to 425,180,283.20, 586,748,787.36 and 229,609,977.92 is: 316,861,767.66
Step by Step Solution
- Step 1: Write the proportion equation
425,180,283.20 : 586,748,787.36 = 229,609,977.92 : x - Step 2: Convert to fraction form
425,180,283.20/586,748,787.36 = 229,609,977.92/x - Step 3: Cross multiply
425,180,283.20x = 586,748,787.36 × 229,609,977.92 - Step 4: Simplify right side
425,180,283.20x = 134,723,376,110,316,368 - Step 5: Solve for x
x = 134,723,376,110,316,368/425,180,283.20 - Step 6: Final answer
x = 316,861,767.66
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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.