Finding the Fourth Proportional to 3,452,555,468.80, 5,178,833,203.20 and 3,428,368,998.40
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Solution
The fourth proportional to 3,452,555,468.80, 5,178,833,203.20 and 3,428,368,998.40 is: 5,142,553,497.60
Step by Step Solution
- Step 1: Write the proportion equation
3,452,555,468.80 : 5,178,833,203.20 = 3,428,368,998.40 : x - Step 2: Convert to fraction form
3,452,555,468.80/5,178,833,203.20 = 3,428,368,998.40/x - Step 3: Cross multiply
3,452,555,468.80x = 5,178,833,203.20 × 3,428,368,998.40 - Step 4: Simplify right side
3,452,555,468.80x = 17,754,951,201,735,446,528 - Step 5: Solve for x
x = 17,754,951,201,735,446,528/3,452,555,468.80 - Step 6: Final answer
x = 5,142,553,497.60
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1.5x scale
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.