Finding the Fourth Proportional to 954,553,321,766.40, 1,319,006,696,437.20 and 679,721,836,322.37
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Solution
The fourth proportional to 954,553,321,766.40, 1,319,006,696,437.20 and 679,721,836,322.37 is: 939,243,134,332.94
Step by Step Solution
- Step 1: Write the proportion equation
954,553,321,766.40 : 1,319,006,696,437.20 = 679,721,836,322.37 : x - Step 2: Convert to fraction form
954,553,321,766.40/1,319,006,696,437.20 = 679,721,836,322.37/x - Step 3: Cross multiply
954,553,321,766.40x = 1,319,006,696,437.20 × 679,721,836,322.37 - Step 4: Simplify right side
954,553,321,766.40x = 896,557,653,823,796,421,853,184 - Step 5: Solve for x
x = 896,557,653,823,796,421,853,184/954,553,321,766.40 - Step 6: Final answer
x = 939,243,134,332.94
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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.