Finding the Fourth Proportional to 889,386,994.74, 1,227,354,169.08 and 492,935,579.36
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Solution
The fourth proportional to 889,386,994.74, 1,227,354,169.08 and 492,935,579.36 is: 680,251,164.00
Step by Step Solution
- Step 1: Write the proportion equation
889,386,994.74 : 1,227,354,169.08 = 492,935,579.36 : x - Step 2: Convert to fraction form
889,386,994.74/1,227,354,169.08 = 492,935,579.36/x - Step 3: Cross multiply
889,386,994.74x = 1,227,354,169.08 × 492,935,579.36 - Step 4: Simplify right side
889,386,994.74x = 605,006,538,415,361,152 - Step 5: Solve for x
x = 605,006,538,415,361,152/889,386,994.74 - Step 6: Final answer
x = 680,251,164.00
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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.