Finding the Fourth Proportional to 1,175,534,831.51, 1,763,305,873.45 and 290,220,292.79
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Solution
The fourth proportional to 1,175,534,831.51, 1,763,305,873.45 and 290,220,292.79 is: 435,331,334.42
Step by Step Solution
- Step 1: Write the proportion equation
1,175,534,831.51 : 1,763,305,873.45 = 290,220,292.79 : x - Step 2: Convert to fraction form
1,175,534,831.51/1,763,305,873.45 = 290,220,292.79/x - Step 3: Cross multiply
1,175,534,831.51x = 1,763,305,873.45 × 290,220,292.79 - Step 4: Simplify right side
1,175,534,831.51x = 511,747,146,861,443,648 - Step 5: Solve for x
x = 511,747,146,861,443,648/1,175,534,831.51 - Step 6: Final answer
x = 435,331,334.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.