Finding the Fourth Proportional to 825,226,000.08, 1,138,817,884.56 and 448,885,837.23
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Solution
The fourth proportional to 825,226,000.08, 1,138,817,884.56 and 448,885,837.23 is: 619,465,721.53
Step by Step Solution
- Step 1: Write the proportion equation
825,226,000.08 : 1,138,817,884.56 = 448,885,837.23 : x - Step 2: Convert to fraction form
825,226,000.08/1,138,817,884.56 = 448,885,837.23/x - Step 3: Cross multiply
825,226,000.08x = 1,138,817,884.56 × 448,885,837.23 - Step 4: Simplify right side
825,226,000.08x = 511,199,219,563,213,056 - Step 5: Solve for x
x = 511,199,219,563,213,056/825,226,000.08 - Step 6: Final answer
x = 619,465,721.53
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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.