Finding the Fourth Proportional to 1,087,996,199.28, 1,632,314,492.12 and 351,052,278.99
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Solution
The fourth proportional to 1,087,996,199.28, 1,632,314,492.12 and 351,052,278.99 is: 526,681,731.85
Step by Step Solution
- Step 1: Write the proportion equation
1,087,996,199.28 : 1,632,314,492.12 = 351,052,278.99 : x - Step 2: Convert to fraction form
1,087,996,199.28/1,632,314,492.12 = 351,052,278.99/x - Step 3: Cross multiply
1,087,996,199.28x = 1,632,314,492.12 × 351,052,278.99 - Step 4: Simplify right side
1,087,996,199.28x = 573,027,722,487,130,368 - Step 5: Solve for x
x = 573,027,722,487,130,368/1,087,996,199.28 - Step 6: Final answer
x = 526,681,731.85
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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.