Finding the Fourth Proportional to 613,026,608.80, 919,539,913.20 and 546,513,815.20
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Solution
The fourth proportional to 613,026,608.80, 919,539,913.20 and 546,513,815.20 is: 819,770,722.80
Step by Step Solution
- Step 1: Write the proportion equation
613,026,608.80 : 919,539,913.20 = 546,513,815.20 : x - Step 2: Convert to fraction form
613,026,608.80/919,539,913.20 = 546,513,815.20/x - Step 3: Cross multiply
613,026,608.80x = 919,539,913.20 × 546,513,815.20 - Step 4: Simplify right side
613,026,608.80x = 502,541,266,191,608,896 - Step 5: Solve for x
x = 502,541,266,191,608,896/613,026,608.80 - Step 6: Final answer
x = 819,770,722.80
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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.