Finding the Fourth Proportional to 818,742,027.20, 1,228,113,040.80 and 730,310,244.80
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Solution
The fourth proportional to 818,742,027.20, 1,228,113,040.80 and 730,310,244.80 is: 1,095,465,367.20
Step by Step Solution
- Step 1: Write the proportion equation
818,742,027.20 : 1,228,113,040.80 = 730,310,244.80 : x - Step 2: Convert to fraction form
818,742,027.20/1,228,113,040.80 = 730,310,244.80/x - Step 3: Cross multiply
818,742,027.20x = 1,228,113,040.80 × 730,310,244.80 - Step 4: Simplify right side
818,742,027.20x = 896,903,535,468,720,256 - Step 5: Solve for x
x = 896,903,535,468,720,256/818,742,027.20 - Step 6: Final answer
x = 1,095,465,367.20
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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.