Finding the Fourth Proportional to 323,714,602.20, 485,571,903.30 and 226,779,763.80
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Solution
The fourth proportional to 323,714,602.20, 485,571,903.30 and 226,779,763.80 is: 340,169,645.70
Step by Step Solution
- Step 1: Write the proportion equation
323,714,602.20 : 485,571,903.30 = 226,779,763.80 : x - Step 2: Convert to fraction form
323,714,602.20/485,571,903.30 = 226,779,763.80/x - Step 3: Cross multiply
323,714,602.20x = 485,571,903.30 × 226,779,763.80 - Step 4: Simplify right side
323,714,602.20x = 110,117,881,538,290,448 - Step 5: Solve for x
x = 110,117,881,538,290,448/323,714,602.20 - Step 6: Final answer
x = 340,169,645.70
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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.