Finding the Fourth Proportional to 1,833,290,395.50, 2,750,132,386.05 and 784,137,560.70
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Solution
The fourth proportional to 1,833,290,395.50, 2,750,132,386.05 and 784,137,560.70 is: 1,176,290,513.54
Step by Step Solution
- Step 1: Write the proportion equation
1,833,290,395.50 : 2,750,132,386.05 = 784,137,560.70 : x - Step 2: Convert to fraction form
1,833,290,395.50/2,750,132,386.05 = 784,137,560.70/x - Step 3: Cross multiply
1,833,290,395.50x = 2,750,132,386.05 × 784,137,560.70 - Step 4: Simplify right side
1,833,290,395.50x = 2,156,482,100,785,567,232 - Step 5: Solve for x
x = 2,156,482,100,785,567,232/1,833,290,395.50 - Step 6: Final answer
x = 1,176,290,513.54
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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.