Finding the Fourth Proportional to 1,209,177,744.56, 1,812,923,336.36 and 535,766,565.94
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Solution
The fourth proportional to 1,209,177,744.56, 1,812,923,336.36 and 535,766,565.94 is: 803,276,205.33
Step by Step Solution
- Step 1: Write the proportion equation
1,209,177,744.56 : 1,812,923,336.36 = 535,766,565.94 : x - Step 2: Convert to fraction form
1,209,177,744.56/1,812,923,336.36 = 535,766,565.94/x - Step 3: Cross multiply
1,209,177,744.56x = 1,812,923,336.36 × 535,766,565.94 - Step 4: Simplify right side
1,209,177,744.56x = 971,303,710,225,020,032 - Step 5: Solve for x
x = 971,303,710,225,020,032/1,209,177,744.56 - Step 6: Final answer
x = 803,276,205.33
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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.