Finding the Fourth Proportional to 49,498,840,655.74, 74,253,574,389.41 and 21,171,714,116.14
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Solution
The fourth proportional to 49,498,840,655.74, 74,253,574,389.41 and 21,171,714,116.14 is: 31,759,843,831.65
Step by Step Solution
- Step 1: Write the proportion equation
49,498,840,655.74 : 74,253,574,389.41 = 21,171,714,116.14 : x - Step 2: Convert to fraction form
49,498,840,655.74/74,253,574,389.41 = 21,171,714,116.14/x - Step 3: Cross multiply
49,498,840,655.74x = 74,253,574,389.41 × 21,171,714,116.14 - Step 4: Simplify right side
49,498,840,655.74x = 1,572,075,449,074,123,276,288 - Step 5: Solve for x
x = 1,572,075,449,074,123,276,288/49,498,840,655.74 - Step 6: Final answer
x = 31,759,843,831.65
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1.5x scale
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.