Finding the Fourth Proportional to 558,889,481.30, 838,334,221.95 and 555,063,106.10
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Solution
The fourth proportional to 558,889,481.30, 838,334,221.95 and 555,063,106.10 is: 832,594,659.15
Step by Step Solution
- Step 1: Write the proportion equation
558,889,481.30 : 838,334,221.95 = 555,063,106.10 : x - Step 2: Convert to fraction form
558,889,481.30/838,334,221.95 = 555,063,106.10/x - Step 3: Cross multiply
558,889,481.30x = 838,334,221.95 × 555,063,106.10 - Step 4: Simplify right side
558,889,481.30x = 465,328,397,185,493,824 - Step 5: Solve for x
x = 465,328,397,185,493,824/558,889,481.30 - Step 6: Final answer
x = 832,594,659.15
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Double scale
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Similar ratio
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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.