Finding the Fourth Proportional to 787,609,964.70, 1,181,414,947.05 and 787,609,964.70
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Solution
The fourth proportional to 787,609,964.70, 1,181,414,947.05 and 787,609,964.70 is: 1,181,414,947.05
Step by Step Solution
- Step 1: Write the proportion equation
787,609,964.70 : 1,181,414,947.05 = 787,609,964.70 : x - Step 2: Convert to fraction form
787,609,964.70/1,181,414,947.05 = 787,609,964.70/x - Step 3: Cross multiply
787,609,964.70x = 1,181,414,947.05 × 787,609,964.70 - Step 4: Simplify right side
787,609,964.70x = 930,494,184,742,102,912 - Step 5: Solve for x
x = 930,494,184,742,102,912/787,609,964.70 - Step 6: Final answer
x = 1,181,414,947.05
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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.