Finding the Fourth Proportional to 557,817,064.80, 836,725,597.20 and 523,804,840.80
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Solution
The fourth proportional to 557,817,064.80, 836,725,597.20 and 523,804,840.80 is: 785,707,261.20
Step by Step Solution
- Step 1: Write the proportion equation
557,817,064.80 : 836,725,597.20 = 523,804,840.80 : x - Step 2: Convert to fraction form
557,817,064.80/836,725,597.20 = 523,804,840.80/x - Step 3: Cross multiply
557,817,064.80x = 836,725,597.20 × 523,804,840.80 - Step 4: Simplify right side
557,817,064.80x = 438,280,918,234,630,976 - Step 5: Solve for x
x = 438,280,918,234,630,976/557,817,064.80 - Step 6: Final answer
x = 785,707,261.20
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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.