Finding the Fourth Proportional to 842,770,801.01, 1,163,015,138.70 and 466,428,119.47
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Solution
The fourth proportional to 842,770,801.01, 1,163,015,138.70 and 466,428,119.47 is: 643,666,063.66
Step by Step Solution
- Step 1: Write the proportion equation
842,770,801.01 : 1,163,015,138.70 = 466,428,119.47 : x - Step 2: Convert to fraction form
842,770,801.01/1,163,015,138.70 = 466,428,119.47/x - Step 3: Cross multiply
842,770,801.01x = 1,163,015,138.70 × 466,428,119.47 - Step 4: Simplify right side
842,770,801.01x = 542,462,964,050,834,944 - Step 5: Solve for x
x = 542,462,964,050,834,944/842,770,801.01 - Step 6: Final answer
x = 643,666,063.66
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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.