Finding the Fourth Proportional to 3,742,779,226.80, 5,614,168,840.20 and 982,687,249.20
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Solution
The fourth proportional to 3,742,779,226.80, 5,614,168,840.20 and 982,687,249.20 is: 1,474,030,873.80
Step by Step Solution
- Step 1: Write the proportion equation
3,742,779,226.80 : 5,614,168,840.20 = 982,687,249.20 : x - Step 2: Convert to fraction form
3,742,779,226.80/5,614,168,840.20 = 982,687,249.20/x - Step 3: Cross multiply
3,742,779,226.80x = 5,614,168,840.20 × 982,687,249.20 - Step 4: Simplify right side
3,742,779,226.80x = 5,516,972,134,120,492,032 - Step 5: Solve for x
x = 5,516,972,134,120,492,032/3,742,779,226.80 - Step 6: Final answer
x = 1,474,030,873.80
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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.