Finding the Fourth Proportional to 1,057,742,701.20, 1,586,614,051.80 and 888,437,408.40
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Solution
The fourth proportional to 1,057,742,701.20, 1,586,614,051.80 and 888,437,408.40 is: 1,332,656,112.60
Step by Step Solution
- Step 1: Write the proportion equation
1,057,742,701.20 : 1,586,614,051.80 = 888,437,408.40 : x - Step 2: Convert to fraction form
1,057,742,701.20/1,586,614,051.80 = 888,437,408.40/x - Step 3: Cross multiply
1,057,742,701.20x = 1,586,614,051.80 × 888,437,408.40 - Step 4: Simplify right side
1,057,742,701.20x = 1,409,607,276,312,215,296 - Step 5: Solve for x
x = 1,409,607,276,312,215,296/1,057,742,701.20 - Step 6: Final answer
x = 1,332,656,112.60
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1.5x scale
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.