Finding the Fourth Proportional to 597,910,478.80, 896,865,718.20 and 442,942,283.20
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Solution
The fourth proportional to 597,910,478.80, 896,865,718.20 and 442,942,283.20 is: 664,413,424.80
Step by Step Solution
- Step 1: Write the proportion equation
597,910,478.80 : 896,865,718.20 = 442,942,283.20 : x - Step 2: Convert to fraction form
597,910,478.80/896,865,718.20 = 442,942,283.20/x - Step 3: Cross multiply
597,910,478.80x = 896,865,718.20 × 442,942,283.20 - Step 4: Simplify right side
597,910,478.80x = 397,259,748,943,315,776 - Step 5: Solve for x
x = 397,259,748,943,315,776/597,910,478.80 - Step 6: Final answer
x = 664,413,424.80
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1.5x scale
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.