Finding the Fourth Proportional to 1,866,518,882.76, 2,797,822,627.23 and 869,718,101.97
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Solution
The fourth proportional to 1,866,518,882.76, 2,797,822,627.23 and 869,718,101.97 is: 1,303,665,881.70
Step by Step Solution
- Step 1: Write the proportion equation
1,866,518,882.76 : 2,797,822,627.23 = 869,718,101.97 : x - Step 2: Convert to fraction form
1,866,518,882.76/2,797,822,627.23 = 869,718,101.97/x - Step 3: Cross multiply
1,866,518,882.76x = 2,797,822,627.23 × 869,718,101.97 - Step 4: Simplify right side
1,866,518,882.76x = 2,433,316,985,003,194,368 - Step 5: Solve for x
x = 2,433,316,985,003,194,368/1,866,518,882.76 - Step 6: Final answer
x = 1,303,665,881.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.