Finding the Fourth Proportional to 1,353,815,603.26, 1,867,577,953.88 and 884,191,820.38
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Solution
The fourth proportional to 1,353,815,603.26, 1,867,577,953.88 and 884,191,820.38 is: 1,219,735,646.99
Step by Step Solution
- Step 1: Write the proportion equation
1,353,815,603.26 : 1,867,577,953.88 = 884,191,820.38 : x - Step 2: Convert to fraction form
1,353,815,603.26/1,867,577,953.88 = 884,191,820.38/x - Step 3: Cross multiply
1,353,815,603.26x = 1,867,577,953.88 × 884,191,820.38 - Step 4: Simplify right side
1,353,815,603.26x = 1,651,297,150,742,713,088 - Step 5: Solve for x
x = 1,651,297,150,742,713,088/1,353,815,603.26 - Step 6: Final answer
x = 1,219,735,646.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.