Finding the Fourth Proportional to 1,967,352,281.18, 2,949,212,395.29 and 983,923,058.06
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Solution
The fourth proportional to 1,967,352,281.18, 2,949,212,395.29 and 983,923,058.06 is: 1,474,976,345.93
Step by Step Solution
- Step 1: Write the proportion equation
1,967,352,281.18 : 2,949,212,395.29 = 983,923,058.06 : x - Step 2: Convert to fraction form
1,967,352,281.18/2,949,212,395.29 = 983,923,058.06/x - Step 3: Cross multiply
1,967,352,281.18x = 2,949,212,395.29 × 983,923,058.06 - Step 4: Simplify right side
1,967,352,281.18x = 2,901,798,078,842,193,920 - Step 5: Solve for x
x = 2,901,798,078,842,193,920/1,967,352,281.18 - Step 6: Final answer
x = 1,474,976,345.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.