Finding the Fourth Proportional to 38,263,838,101.20, 57,395,757,151.80 and 18,672,797,077.20
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Solution
The fourth proportional to 38,263,838,101.20, 57,395,757,151.80 and 18,672,797,077.20 is: 28,009,195,615.80
Step by Step Solution
- Step 1: Write the proportion equation
38,263,838,101.20 : 57,395,757,151.80 = 18,672,797,077.20 : x - Step 2: Convert to fraction form
38,263,838,101.20/57,395,757,151.80 = 18,672,797,077.20/x - Step 3: Cross multiply
38,263,838,101.20x = 57,395,757,151.80 × 18,672,797,077.20 - Step 4: Simplify right side
38,263,838,101.20x = 1,071,739,326,387,812,171,776 - Step 5: Solve for x
x = 1,071,739,326,387,812,171,776/38,263,838,101.20 - Step 6: Final answer
x = 28,009,195,615.80
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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.