Finding the Fourth Proportional to 2,155,776,125.10, 3,233,664,187.65 and 1,176,224,073.90
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Solution
The fourth proportional to 2,155,776,125.10, 3,233,664,187.65 and 1,176,224,073.90 is: 1,764,336,110.85
Step by Step Solution
- Step 1: Write the proportion equation
2,155,776,125.10 : 3,233,664,187.65 = 1,176,224,073.90 : x - Step 2: Convert to fraction form
2,155,776,125.10/3,233,664,187.65 = 1,176,224,073.90/x - Step 3: Cross multiply
2,155,776,125.10x = 3,233,664,187.65 × 1,176,224,073.90 - Step 4: Simplify right side
2,155,776,125.10x = 3,803,513,664,422,217,728 - Step 5: Solve for x
x = 3,803,513,664,422,217,728/2,155,776,125.10 - Step 6: Final answer
x = 1,764,336,110.85
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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.