Finding the Fourth Proportional to 1,905,395,455.38, 2,857,776,177.54 and 577,107,688.46
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Solution
The fourth proportional to 1,905,395,455.38, 2,857,776,177.54 and 577,107,688.46 is: 865,565,517.80
Step by Step Solution
- Step 1: Write the proportion equation
1,905,395,455.38 : 2,857,776,177.54 = 577,107,688.46 : x - Step 2: Convert to fraction form
1,905,395,455.38/2,857,776,177.54 = 577,107,688.46/x - Step 3: Cross multiply
1,905,395,455.38x = 2,857,776,177.54 × 577,107,688.46 - Step 4: Simplify right side
1,905,395,455.38x = 1,649,244,603,956,164,096 - Step 5: Solve for x
x = 1,649,244,603,956,164,096/1,905,395,455.38 - Step 6: Final answer
x = 865,565,517.80
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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.