Finding the Fourth Proportional to 2,807,692,748.33, 4,211,798,024.75 and 916,898,831.09
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Solution
The fourth proportional to 2,807,692,748.33, 4,211,798,024.75 and 916,898,831.09 is: 1,375,432,795.47
Step by Step Solution
- Step 1: Write the proportion equation
2,807,692,748.33 : 4,211,798,024.75 = 916,898,831.09 : x - Step 2: Convert to fraction form
2,807,692,748.33/4,211,798,024.75 = 916,898,831.09/x - Step 3: Cross multiply
2,807,692,748.33x = 4,211,798,024.75 × 916,898,831.09 - Step 4: Simplify right side
2,807,692,748.33x = 3,861,792,685,661,679,104 - Step 5: Solve for x
x = 3,861,792,685,661,679,104/2,807,692,748.33 - Step 6: Final answer
x = 1,375,432,795.47
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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.