Finding the Fourth Proportional to 2,886,427,959.99, 3,983,270,585.13 and 1,566,328,515.99
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Solution
The fourth proportional to 2,886,427,959.99, 3,983,270,585.13 and 1,566,328,515.99 is: 2,161,533,352.25
Step by Step Solution
- Step 1: Write the proportion equation
2,886,427,959.99 : 3,983,270,585.13 = 1,566,328,515.99 : x - Step 2: Convert to fraction form
2,886,427,959.99/3,983,270,585.13 = 1,566,328,515.99/x - Step 3: Cross multiply
2,886,427,959.99x = 3,983,270,585.13 × 1,566,328,515.99 - Step 4: Simplify right side
2,886,427,959.99x = 6,239,110,304,393,291,776 - Step 5: Solve for x
x = 6,239,110,304,393,291,776/2,886,427,959.99 - Step 6: Final answer
x = 2,161,533,352.25
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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.