Finding the Fourth Proportional to 746,498,983.80, 1,119,748,475.70 and 565,100,455.80
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Solution
The fourth proportional to 746,498,983.80, 1,119,748,475.70 and 565,100,455.80 is: 847,650,683.70
Step by Step Solution
- Step 1: Write the proportion equation
746,498,983.80 : 1,119,748,475.70 = 565,100,455.80 : x - Step 2: Convert to fraction form
746,498,983.80/1,119,748,475.70 = 565,100,455.80/x - Step 3: Cross multiply
746,498,983.80x = 1,119,748,475.70 × 565,100,455.80 - Step 4: Simplify right side
746,498,983.80x = 632,770,373,999,425,152 - Step 5: Solve for x
x = 632,770,373,999,425,152/746,498,983.80 - Step 6: Final answer
x = 847,650,683.70
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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.