Finding the Fourth Proportional to 1,125,439,793.60, 1,688,159,690.40 and 1,025,110,731.20
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Solution
The fourth proportional to 1,125,439,793.60, 1,688,159,690.40 and 1,025,110,731.20 is: 1,537,666,096.80
Step by Step Solution
- Step 1: Write the proportion equation
1,125,439,793.60 : 1,688,159,690.40 = 1,025,110,731.20 : x - Step 2: Convert to fraction form
1,125,439,793.60/1,688,159,690.40 = 1,025,110,731.20/x - Step 3: Cross multiply
1,125,439,793.60x = 1,688,159,690.40 × 1,025,110,731.20 - Step 4: Simplify right side
1,125,439,793.60x = 1,730,550,614,608,309,760 - Step 5: Solve for x
x = 1,730,550,614,608,309,760/1,125,439,793.60 - Step 6: Final answer
x = 1,537,666,096.80
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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.