Finding the Fourth Proportional to 1,739,614,930.74, 2,400,668,959.59 and 957,333,778.74
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Solution
The fourth proportional to 1,739,614,930.74, 2,400,668,959.59 and 957,333,778.74 is: 1,321,120,810.12
Step by Step Solution
- Step 1: Write the proportion equation
1,739,614,930.74 : 2,400,668,959.59 = 957,333,778.74 : x - Step 2: Convert to fraction form
1,739,614,930.74/2,400,668,959.59 = 957,333,778.74/x - Step 3: Cross multiply
1,739,614,930.74x = 2,400,668,959.59 × 957,333,778.74 - Step 4: Simplify right side
1,739,614,930.74x = 2,298,241,486,588,119,296 - Step 5: Solve for x
x = 2,298,241,486,588,119,296/1,739,614,930.74 - Step 6: Final answer
x = 1,321,120,810.12
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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.