Finding the Fourth Proportional to 630,548,652.20, 945,913,374.30 and 193,886,011.40
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Solution
The fourth proportional to 630,548,652.20, 945,913,374.30 and 193,886,011.40 is: 290,856,812.77
Step by Step Solution
- Step 1: Write the proportion equation
630,548,652.20 : 945,913,374.30 = 193,886,011.40 : x - Step 2: Convert to fraction form
630,548,652.20/945,913,374.30 = 193,886,011.40/x - Step 3: Cross multiply
630,548,652.20x = 945,913,374.30 × 193,886,011.40 - Step 4: Simplify right side
630,548,652.20x = 183,399,371,272,942,272 - Step 5: Solve for x
x = 183,399,371,272,942,272/630,548,652.20 - Step 6: Final answer
x = 290,856,812.77
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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.