Finding the Fourth Proportional to 1,042,376,263.16, 1,438,473,679.11 and 566,062,468.54
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Solution
The fourth proportional to 1,042,376,263.16, 1,438,473,679.11 and 566,062,468.54 is: 781,163,185.03
Step by Step Solution
- Step 1: Write the proportion equation
1,042,376,263.16 : 1,438,473,679.11 = 566,062,468.54 : x - Step 2: Convert to fraction form
1,042,376,263.16/1,438,473,679.11 = 566,062,468.54/x - Step 3: Cross multiply
1,042,376,263.16x = 1,438,473,679.11 × 566,062,468.54 - Step 4: Simplify right side
1,042,376,263.16x = 814,265,961,723,226,240 - Step 5: Solve for x
x = 814,265,961,723,226,240/1,042,376,263.16 - Step 6: Final answer
x = 781,163,185.03
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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.