Finding the Fourth Proportional to 1,139,440,293.70, 1,708,921,289.14 and 321,361,275.94
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Solution
The fourth proportional to 1,139,440,293.70, 1,708,921,289.14 and 321,361,275.94 is: 481,974,465.00
Step by Step Solution
- Step 1: Write the proportion equation
1,139,440,293.70 : 1,708,921,289.14 = 321,361,275.94 : x - Step 2: Convert to fraction form
1,139,440,293.70/1,708,921,289.14 = 321,361,275.94/x - Step 3: Cross multiply
1,139,440,293.70x = 1,708,921,289.14 × 321,361,275.94 - Step 4: Simplify right side
1,139,440,293.70x = 549,181,125,959,060,096 - Step 5: Solve for x
x = 549,181,125,959,060,096/1,139,440,293.70 - Step 6: Final answer
x = 481,974,465.00
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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.