Finding the Fourth Proportional to 2,984,928,572,248.80, 4,477,840,545,207 and 1,048,404,130,761.30
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Solution
The fourth proportional to 2,984,928,572,248.80, 4,477,840,545,207 and 1,048,404,130,761.30 is: 1,572,763,438,338.70
Step by Step Solution
- Step 1: Write the proportion equation
2,984,928,572,248.80 : 4,477,840,545,207 = 1,048,404,130,761.30 : x - Step 2: Convert to fraction form
2,984,928,572,248.80/4,477,840,545,207 = 1,048,404,130,761.30/x - Step 3: Cross multiply
2,984,928,572,248.80x = 4,477,840,545,207 × 1,048,404,130,761.30 - Step 4: Simplify right side
2,984,928,572,248.80x = 4,694,586,524,485,450,574,331,904 - Step 5: Solve for x
x = 4,694,586,524,485,450,574,331,904/2,984,928,572,248.80 - Step 6: Final answer
x = 1,572,763,438,338.70
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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.