Finding the Fourth Proportional to 894,373,750.20, 1,340,762,807.70 and 348,988,438.20
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Solution
The fourth proportional to 894,373,750.20, 1,340,762,807.70 and 348,988,438.20 is: 523,171,345.48
Step by Step Solution
- Step 1: Write the proportion equation
894,373,750.20 : 1,340,762,807.70 = 348,988,438.20 : x - Step 2: Convert to fraction form
894,373,750.20/1,340,762,807.70 = 348,988,438.20/x - Step 3: Cross multiply
894,373,750.20x = 1,340,762,807.70 × 348,988,438.20 - Step 4: Simplify right side
894,373,750.20x = 467,910,718,255,869,952 - Step 5: Solve for x
x = 467,910,718,255,869,952/894,373,750.20 - Step 6: Final answer
x = 523,171,345.48
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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.