Finding the Fourth Proportional to 1,275,508,923.95, 1,913,263,410.51 and 306,160,539.95
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Solution
The fourth proportional to 1,275,508,923.95, 1,913,263,410.51 and 306,160,539.95 is: 459,240,815.82
Step by Step Solution
- Step 1: Write the proportion equation
1,275,508,923.95 : 1,913,263,410.51 = 306,160,539.95 : x - Step 2: Convert to fraction form
1,275,508,923.95/1,913,263,410.51 = 306,160,539.95/x - Step 3: Cross multiply
1,275,508,923.95x = 1,913,263,410.51 × 306,160,539.95 - Step 4: Simplify right side
1,275,508,923.95x = 585,765,758,818,753,792 - Step 5: Solve for x
x = 585,765,758,818,753,792/1,275,508,923.95 - Step 6: Final answer
x = 459,240,815.82
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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.