Finding the Fourth Proportional to 1,063,125,529.80, 1,594,688,294.70 and 286,769,689.80
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Solution
The fourth proportional to 1,063,125,529.80, 1,594,688,294.70 and 286,769,689.80 is: 430,154,534.70
Step by Step Solution
- Step 1: Write the proportion equation
1,063,125,529.80 : 1,594,688,294.70 = 286,769,689.80 : x - Step 2: Convert to fraction form
1,063,125,529.80/1,594,688,294.70 = 286,769,689.80/x - Step 3: Cross multiply
1,063,125,529.80x = 1,594,688,294.70 × 286,769,689.80 - Step 4: Simplify right side
1,063,125,529.80x = 457,308,267,598,810,048 - Step 5: Solve for x
x = 457,308,267,598,810,048/1,063,125,529.80 - Step 6: Final answer
x = 430,154,534.70
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Double scale
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Similar ratio
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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.