Finding the Fourth Proportional to 1,526,903,652.18, 2,293,803,261.72 and 905,526,439.64
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Solution
The fourth proportional to 1,526,903,652.18, 2,293,803,261.72 and 905,526,439.64 is: 1,360,334,358.92
Step by Step Solution
- Step 1: Write the proportion equation
1,526,903,652.18 : 2,293,803,261.72 = 905,526,439.64 : x - Step 2: Convert to fraction form
1,526,903,652.18/2,293,803,261.72 = 905,526,439.64/x - Step 3: Cross multiply
1,526,903,652.18x = 2,293,803,261.72 × 905,526,439.64 - Step 4: Simplify right side
1,526,903,652.18x = 2,077,099,500,819,930,368 - Step 5: Solve for x
x = 2,077,099,500,819,930,368/1,526,903,652.18 - Step 6: Final answer
x = 1,360,334,358.92
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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.