Finding the Fourth Proportional to 2,048,155,958.70, 2,826,151,177.68 and 1,243,964,970.54
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Solution
The fourth proportional to 2,048,155,958.70, 2,826,151,177.68 and 1,243,964,970.54 is: 1,716,486,994.83
Step by Step Solution
- Step 1: Write the proportion equation
2,048,155,958.70 : 2,826,151,177.68 = 1,243,964,970.54 : x - Step 2: Convert to fraction form
2,048,155,958.70/2,826,151,177.68 = 1,243,964,970.54/x - Step 3: Cross multiply
2,048,155,958.70x = 2,826,151,177.68 × 1,243,964,970.54 - Step 4: Simplify right side
2,048,155,958.70x = 3,515,633,066,484,286,976 - Step 5: Solve for x
x = 3,515,633,066,484,286,976/2,048,155,958.70 - Step 6: Final answer
x = 1,716,486,994.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.