Finding the Fourth Proportional to 306,849,746.80, 460,271,470.92 and 177,374,972.80
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Solution
The fourth proportional to 306,849,746.80, 460,271,470.92 and 177,374,972.80 is: 266,060,638.75
Step by Step Solution
- Step 1: Write the proportion equation
306,849,746.80 : 460,271,470.92 = 177,374,972.80 : x - Step 2: Convert to fraction form
306,849,746.80/460,271,470.92 = 177,374,972.80/x - Step 3: Cross multiply
306,849,746.80x = 460,271,470.92 × 177,374,972.80 - Step 4: Simplify right side
306,849,746.80x = 81,640,639,635,050,992 - Step 5: Solve for x
x = 81,640,639,635,050,992/306,849,746.80 - Step 6: Final answer
x = 266,060,638.75
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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.