Finding the Fourth Proportional to 1,631,523,768.36, 2,251,503,124.30 and 888,967,831.08
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Solution
The fourth proportional to 1,631,523,768.36, 2,251,503,124.30 and 888,967,831.08 is: 1,226,775,783.41
Step by Step Solution
- Step 1: Write the proportion equation
1,631,523,768.36 : 2,251,503,124.30 = 888,967,831.08 : x - Step 2: Convert to fraction form
1,631,523,768.36/2,251,503,124.30 = 888,967,831.08/x - Step 3: Cross multiply
1,631,523,768.36x = 2,251,503,124.30 × 888,967,831.08 - Step 4: Simplify right side
1,631,523,768.36x = 2,001,513,849,078,814,976 - Step 5: Solve for x
x = 2,001,513,849,078,814,976/1,631,523,768.36 - Step 6: Final answer
x = 1,226,775,783.41
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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.