Finding the Fourth Proportional to 417,748,258.56, 626,643,201.70 and 158,983,533.94
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Solution
The fourth proportional to 417,748,258.56, 626,643,201.70 and 158,983,533.94 is: 238,483,222.09
Step by Step Solution
- Step 1: Write the proportion equation
417,748,258.56 : 626,643,201.70 = 158,983,533.94 : x - Step 2: Convert to fraction form
417,748,258.56/626,643,201.70 = 158,983,533.94/x - Step 3: Cross multiply
417,748,258.56x = 626,643,201.70 × 158,983,533.94 - Step 4: Simplify right side
417,748,258.56x = 99,625,950,725,742,224 - Step 5: Solve for x
x = 99,625,950,725,742,224/417,748,258.56 - Step 6: Final answer
x = 238,483,222.09
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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.