Finding the Fourth Proportional to 2,780,546,237.76, 3,837,156,323.04 and 1,527,564,262.08
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Solution
The fourth proportional to 2,780,546,237.76, 3,837,156,323.04 and 1,527,564,262.08 is: 2,108,040,063.31
Step by Step Solution
- Step 1: Write the proportion equation
2,780,546,237.76 : 3,837,156,323.04 = 1,527,564,262.08 : x - Step 2: Convert to fraction form
2,780,546,237.76/3,837,156,323.04 = 1,527,564,262.08/x - Step 3: Cross multiply
2,780,546,237.76x = 3,837,156,323.04 × 1,527,564,262.08 - Step 4: Simplify right side
2,780,546,237.76x = 5,861,502,867,090,203,648 - Step 5: Solve for x
x = 5,861,502,867,090,203,648/2,780,546,237.76 - Step 6: Final answer
x = 2,108,040,063.31
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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.