Finding the Fourth Proportional to 916,320,176.80, 1,374,480,265.20 and 334,073,417.20
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Solution
The fourth proportional to 916,320,176.80, 1,374,480,265.20 and 334,073,417.20 is: 501,110,125.80
Step by Step Solution
- Step 1: Write the proportion equation
916,320,176.80 : 1,374,480,265.20 = 334,073,417.20 : x - Step 2: Convert to fraction form
916,320,176.80/1,374,480,265.20 = 334,073,417.20/x - Step 3: Cross multiply
916,320,176.80x = 1,374,480,265.20 × 334,073,417.20 - Step 4: Simplify right side
916,320,176.80x = 459,177,319,069,326,272 - Step 5: Solve for x
x = 459,177,319,069,326,272/916,320,176.80 - Step 6: Final answer
x = 501,110,125.80
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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.