Finding the Fourth Proportional to 983,710,260.27, 1,357,516,863.41 and 537,673,365.17
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Solution
The fourth proportional to 983,710,260.27, 1,357,516,863.41 and 537,673,365.17 is: 741,987,442.55
Step by Step Solution
- Step 1: Write the proportion equation
983,710,260.27 : 1,357,516,863.41 = 537,673,365.17 : x - Step 2: Convert to fraction form
983,710,260.27/1,357,516,863.41 = 537,673,365.17/x - Step 3: Cross multiply
983,710,260.27x = 1,357,516,863.41 × 537,673,365.17 - Step 4: Simplify right side
983,710,260.27x = 729,900,660,229,415,936 - Step 5: Solve for x
x = 729,900,660,229,415,936/983,710,260.27 - Step 6: Final answer
x = 741,987,442.55
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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.