Finding the Fourth Proportional to 1,907,725,151.80, 2,861,587,727.70 and 1,601,615,135.80
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Solution
The fourth proportional to 1,907,725,151.80, 2,861,587,727.70 and 1,601,615,135.80 is: 2,402,422,703.70
Step by Step Solution
- Step 1: Write the proportion equation
1,907,725,151.80 : 2,861,587,727.70 = 1,601,615,135.80 : x - Step 2: Convert to fraction form
1,907,725,151.80/2,861,587,727.70 = 1,601,615,135.80/x - Step 3: Cross multiply
1,907,725,151.80x = 2,861,587,727.70 × 1,601,615,135.80 - Step 4: Simplify right side
1,907,725,151.80x = 4,583,162,217,103,848,448 - Step 5: Solve for x
x = 4,583,162,217,103,848,448/1,907,725,151.80 - Step 6: Final answer
x = 2,402,422,703.70
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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.