Finding the Fourth Proportional to 671,110,721.08, 926,161,528.58 and 373,752,962.44
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Solution
The fourth proportional to 671,110,721.08, 926,161,528.58 and 373,752,962.44 is: 515,795,090.34
Step by Step Solution
- Step 1: Write the proportion equation
671,110,721.08 : 926,161,528.58 = 373,752,962.44 : x - Step 2: Convert to fraction form
671,110,721.08/926,161,528.58 = 373,752,962.44/x - Step 3: Cross multiply
671,110,721.08x = 926,161,528.58 × 373,752,962.44 - Step 4: Simplify right side
671,110,721.08x = 346,155,615,004,733,760 - Step 5: Solve for x
x = 346,155,615,004,733,760/671,110,721.08 - Step 6: Final answer
x = 515,795,090.34
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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.