Finding the Fourth Proportional to 853,634,886.03, 1,177,655,422.07 and 571,468,236.47
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Solution
The fourth proportional to 853,634,886.03, 1,177,655,422.07 and 571,468,236.47 is: 788,384,680.88
Step by Step Solution
- Step 1: Write the proportion equation
853,634,886.03 : 1,177,655,422.07 = 571,468,236.47 : x - Step 2: Convert to fraction form
853,634,886.03/1,177,655,422.07 = 571,468,236.47/x - Step 3: Cross multiply
853,634,886.03x = 1,177,655,422.07 × 571,468,236.47 - Step 4: Simplify right side
853,634,886.03x = 672,992,667,210,930,816 - Step 5: Solve for x
x = 672,992,667,210,930,816/853,634,886.03 - Step 6: Final answer
x = 788,384,680.88
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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.