Finding the Fourth Proportional to 1,909,690,449.30, 2,864,535,673.95 and 1,819,292,335.20
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Solution
The fourth proportional to 1,909,690,449.30, 2,864,535,673.95 and 1,819,292,335.20 is: 2,728,938,502.80
Step by Step Solution
- Step 1: Write the proportion equation
1,909,690,449.30 : 2,864,535,673.95 = 1,819,292,335.20 : x - Step 2: Convert to fraction form
1,909,690,449.30/2,864,535,673.95 = 1,819,292,335.20/x - Step 3: Cross multiply
1,909,690,449.30x = 2,864,535,673.95 × 1,819,292,335.20 - Step 4: Simplify right side
1,909,690,449.30x = 5,211,427,795,524,201,472 - Step 5: Solve for x
x = 5,211,427,795,524,201,472/1,909,690,449.30 - Step 6: Final answer
x = 2,728,938,502.80
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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.