Finding the Fourth Proportional to 1,121,641,088.44, 1,680,957,735.34 and 872,946,649.46
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Solution
The fourth proportional to 1,121,641,088.44, 1,680,957,735.34 and 872,946,649.46 is: 1,308,249,526.58
Step by Step Solution
- Step 1: Write the proportion equation
1,121,641,088.44 : 1,680,957,735.34 = 872,946,649.46 : x - Step 2: Convert to fraction form
1,121,641,088.44/1,680,957,735.34 = 872,946,649.46/x - Step 3: Cross multiply
1,121,641,088.44x = 1,680,957,735.34 × 872,946,649.46 - Step 4: Simplify right side
1,121,641,088.44x = 1,467,386,422,948,922,368 - Step 5: Solve for x
x = 1,467,386,422,948,922,368/1,121,641,088.44 - Step 6: Final answer
x = 1,308,249,526.58
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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.