Finding the Fourth Proportional to 7,144,937,152.20, 10,717,405,728.30 and 6,873,742,809.90
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Solution
The fourth proportional to 7,144,937,152.20, 10,717,405,728.30 and 6,873,742,809.90 is: 10,310,614,214.85
Step by Step Solution
- Step 1: Write the proportion equation
7,144,937,152.20 : 10,717,405,728.30 = 6,873,742,809.90 : x - Step 2: Convert to fraction form
7,144,937,152.20/10,717,405,728.30 = 6,873,742,809.90/x - Step 3: Cross multiply
7,144,937,152.20x = 10,717,405,728.30 × 6,873,742,809.90 - Step 4: Simplify right side
7,144,937,152.20x = 73,668,690,565,683,191,808 - Step 5: Solve for x
x = 73,668,690,565,683,191,808/7,144,937,152.20 - Step 6: Final answer
x = 10,310,614,214.85
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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.