Finding the Fourth Proportional to 1,133,480,089.60, 1,700,220,134.40 and 746,496,563.20
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Solution
The fourth proportional to 1,133,480,089.60, 1,700,220,134.40 and 746,496,563.20 is: 1,119,744,844.80
Step by Step Solution
- Step 1: Write the proportion equation
1,133,480,089.60 : 1,700,220,134.40 = 746,496,563.20 : x - Step 2: Convert to fraction form
1,133,480,089.60/1,700,220,134.40 = 746,496,563.20/x - Step 3: Cross multiply
1,133,480,089.60x = 1,700,220,134.40 × 746,496,563.20 - Step 4: Simplify right side
1,133,480,089.60x = 1,269,208,487,013,042,176 - Step 5: Solve for x
x = 1,269,208,487,013,042,176/1,133,480,089.60 - Step 6: Final answer
x = 1,119,744,844.80
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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.