Finding the Fourth Proportional to 1,818,239,258.66, 2,727,060,289.58 and 782,821,382.18
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Solution
The fourth proportional to 1,818,239,258.66, 2,727,060,289.58 and 782,821,382.18 is: 1,174,103,515.26
Step by Step Solution
- Step 1: Write the proportion equation
1,818,239,258.66 : 2,727,060,289.58 = 782,821,382.18 : x - Step 2: Convert to fraction form
1,818,239,258.66/2,727,060,289.58 = 782,821,382.18/x - Step 3: Cross multiply
1,818,239,258.66x = 2,727,060,289.58 × 782,821,382.18 - Step 4: Simplify right side
1,818,239,258.66x = 2,134,801,105,177,206,528 - Step 5: Solve for x
x = 2,134,801,105,177,206,528/1,818,239,258.66 - Step 6: Final answer
x = 1,174,103,515.26
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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.