Finding the Fourth Proportional to 445,723,746.84, 615,090,148.74 and 247,474,996.20
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Solution
The fourth proportional to 445,723,746.84, 615,090,148.74 and 247,474,996.20 is: 341,510,707.70
Step by Step Solution
- Step 1: Write the proportion equation
445,723,746.84 : 615,090,148.74 = 247,474,996.20 : x - Step 2: Convert to fraction form
445,723,746.84/615,090,148.74 = 247,474,996.20/x - Step 3: Cross multiply
445,723,746.84x = 615,090,148.74 × 247,474,996.20 - Step 4: Simplify right side
445,723,746.84x = 152,219,432,222,088,928 - Step 5: Solve for x
x = 152,219,432,222,088,928/445,723,746.84 - Step 6: Final answer
x = 341,510,707.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.