Finding the Fourth Proportional to 1,526,903,645.67, 2,293,803,251.96 and 905,526,433.14
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Solution
The fourth proportional to 1,526,903,645.67, 2,293,803,251.96 and 905,526,433.14 is: 1,360,334,349.17
Step by Step Solution
- Step 1: Write the proportion equation
1,526,903,645.67 : 2,293,803,251.96 = 905,526,433.14 : x - Step 2: Convert to fraction form
1,526,903,645.67/2,293,803,251.96 = 905,526,433.14/x - Step 3: Cross multiply
1,526,903,645.67x = 2,293,803,251.96 × 905,526,433.14 - Step 4: Simplify right side
1,526,903,645.67x = 2,077,099,477,072,271,616 - Step 5: Solve for x
x = 2,077,099,477,072,271,616/1,526,903,645.67 - Step 6: Final answer
x = 1,360,334,349.17
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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.