Finding the Fourth Proportional to 417,205,497.60, 625,808,246.40 and 110,544,940.80
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Solution
The fourth proportional to 417,205,497.60, 625,808,246.40 and 110,544,940.80 is: 165,817,411.20
Step by Step Solution
- Step 1: Write the proportion equation
417,205,497.60 : 625,808,246.40 = 110,544,940.80 : x - Step 2: Convert to fraction form
417,205,497.60/625,808,246.40 = 110,544,940.80/x - Step 3: Cross multiply
417,205,497.60x = 625,808,246.40 × 110,544,940.80 - Step 4: Simplify right side
417,205,497.60x = 69,179,935,550,439,808 - Step 5: Solve for x
x = 69,179,935,550,439,808/417,205,497.60 - Step 6: Final answer
x = 165,817,411.20
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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.