Finding the Fourth Proportional to 2,621,518,127.91, 3,932,311,268.44 and 874,720,864.52
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Solution
The fourth proportional to 2,621,518,127.91, 3,932,311,268.44 and 874,720,864.52 is: 1,312,092,667.09
Step by Step Solution
- Step 1: Write the proportion equation
2,621,518,127.91 : 3,932,311,268.44 = 874,720,864.52 : x - Step 2: Convert to fraction form
2,621,518,127.91/3,932,311,268.44 = 874,720,864.52/x - Step 3: Cross multiply
2,621,518,127.91x = 3,932,311,268.44 × 874,720,864.52 - Step 4: Simplify right side
2,621,518,127.91x = 3,439,674,712,273,424,384 - Step 5: Solve for x
x = 3,439,674,712,273,424,384/2,621,518,127.91 - Step 6: Final answer
x = 1,312,092,667.09
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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.