Finding the Fourth Proportional to 2,818,134,257.28, 3,888,918,603.36 and 1,565,151,789.12
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Solution
The fourth proportional to 2,818,134,257.28, 3,888,918,603.36 and 1,565,151,789.12 is: 2,159,850,225.04
Step by Step Solution
- Step 1: Write the proportion equation
2,818,134,257.28 : 3,888,918,603.36 = 1,565,151,789.12 : x - Step 2: Convert to fraction form
2,818,134,257.28/3,888,918,603.36 = 1,565,151,789.12/x - Step 3: Cross multiply
2,818,134,257.28x = 3,888,918,603.36 × 1,565,151,789.12 - Step 4: Simplify right side
2,818,134,257.28x = 6,086,747,909,790,955,520 - Step 5: Solve for x
x = 6,086,747,909,790,955,520/2,818,134,257.28 - Step 6: Final answer
x = 2,159,850,225.04
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1.5x scale
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.