Finding the Fourth Proportional to 1,739,614,931.74, 2,400,668,960.97 and 957,333,779.74
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Solution
The fourth proportional to 1,739,614,931.74, 2,400,668,960.97 and 957,333,779.74 is: 1,321,120,811.50
Step by Step Solution
- Step 1: Write the proportion equation
1,739,614,931.74 : 2,400,668,960.97 = 957,333,779.74 : x - Step 2: Convert to fraction form
1,739,614,931.74/2,400,668,960.97 = 957,333,779.74/x - Step 3: Cross multiply
1,739,614,931.74x = 2,400,668,960.97 × 957,333,779.74 - Step 4: Simplify right side
1,739,614,931.74x = 2,298,241,490,309,908,480 - Step 5: Solve for x
x = 2,298,241,490,309,908,480/1,739,614,931.74 - Step 6: Final answer
x = 1,321,120,811.50
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1.5x scale
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.