Finding the Fourth Proportional to 2,577,336,331.55, 3,864,422,320.38 and 1,001,603,781.99
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Solution
The fourth proportional to 2,577,336,331.55, 3,864,422,320.38 and 1,001,603,781.99 is: 1,501,790,807.78
Step by Step Solution
- Step 1: Write the proportion equation
2,577,336,331.55 : 3,864,422,320.38 = 1,001,603,781.99 : x - Step 2: Convert to fraction form
2,577,336,331.55/3,864,422,320.38 = 1,001,603,781.99/x - Step 3: Cross multiply
2,577,336,331.55x = 3,864,422,320.38 × 1,001,603,781.99 - Step 4: Simplify right side
2,577,336,331.55x = 3,870,620,011,277,353,472 - Step 5: Solve for x
x = 3,870,620,011,277,353,472/2,577,336,331.55 - Step 6: Final answer
x = 1,501,790,807.78
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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.