Finding the Fourth Proportional to 630,617,095.36, 945,922,202.18 and 257,123,516.00
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Solution
The fourth proportional to 630,617,095.36, 945,922,202.18 and 257,123,516.00 is: 385,683,871.04
Step by Step Solution
- Step 1: Write the proportion equation
630,617,095.36 : 945,922,202.18 = 257,123,516.00 : x - Step 2: Convert to fraction form
630,617,095.36/945,922,202.18 = 257,123,516.00/x - Step 3: Cross multiply
630,617,095.36x = 945,922,202.18 × 257,123,516.00 - Step 4: Simplify right side
630,617,095.36x = 243,218,842,481,141,536 - Step 5: Solve for x
x = 243,218,842,481,141,536/630,617,095.36 - Step 6: Final answer
x = 385,683,871.04
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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.