Finding the Fourth Proportional to 1,063,126,459.80, 1,594,689,689.70 and 286,770,619.80
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Solution
The fourth proportional to 1,063,126,459.80, 1,594,689,689.70 and 286,770,619.80 is: 430,155,929.70
Step by Step Solution
- Step 1: Write the proportion equation
1,063,126,459.80 : 1,594,689,689.70 = 286,770,619.80 : x - Step 2: Convert to fraction form
1,063,126,459.80/1,594,689,689.70 = 286,770,619.80/x - Step 3: Cross multiply
1,063,126,459.80x = 1,594,689,689.70 × 286,770,619.80 - Step 4: Simplify right side
1,063,126,459.80x = 457,310,150,703,938,688 - Step 5: Solve for x
x = 457,310,150,703,938,688/1,063,126,459.80 - Step 6: Final answer
x = 430,155,929.70
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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.