Finding the Fourth Proportional to 922,949,904.14, 1,273,670,929.84 and 505,262,189.44
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Solution
The fourth proportional to 922,949,904.14, 1,273,670,929.84 and 505,262,189.44 is: 697,261,855.44
Step by Step Solution
- Step 1: Write the proportion equation
922,949,904.14 : 1,273,670,929.84 = 505,262,189.44 : x - Step 2: Convert to fraction form
922,949,904.14/1,273,670,929.84 = 505,262,189.44/x - Step 3: Cross multiply
922,949,904.14x = 1,273,670,929.84 × 505,262,189.44 - Step 4: Simplify right side
922,949,904.14x = 643,537,762,637,038,976 - Step 5: Solve for x
x = 643,537,762,637,038,976/922,949,904.14 - Step 6: Final answer
x = 697,261,855.44
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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.