Finding the Fourth Proportional to 1,497,928,204.80, 2,246,899,305.60 and 528,579,820.80
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Solution
The fourth proportional to 1,497,928,204.80, 2,246,899,305.60 and 528,579,820.80 is: 792,872,200.75
Step by Step Solution
- Step 1: Write the proportion equation
1,497,928,204.80 : 2,246,899,305.60 = 528,579,820.80 : x - Step 2: Convert to fraction form
1,497,928,204.80/2,246,899,305.60 = 528,579,820.80/x - Step 3: Cross multiply
1,497,928,204.80x = 2,246,899,305.60 × 528,579,820.80 - Step 4: Simplify right side
1,497,928,204.80x = 1,187,665,632,309,692,416 - Step 5: Solve for x
x = 1,187,665,632,309,692,416/1,497,928,204.80 - Step 6: Final answer
x = 792,872,200.75
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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.