Finding the Fourth Proportional to 257,518,551.84, 356,311,384.72 and 224,547,553.44
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Solution
The fourth proportional to 257,518,551.84, 356,311,384.72 and 224,547,553.44 is: 310,691,595.34
Step by Step Solution
- Step 1: Write the proportion equation
257,518,551.84 : 356,311,384.72 = 224,547,553.44 : x - Step 2: Convert to fraction form
257,518,551.84/356,311,384.72 = 224,547,553.44/x - Step 3: Cross multiply
257,518,551.84x = 356,311,384.72 × 224,547,553.44 - Step 4: Simplify right side
257,518,551.84x = 80,008,849,701,694,608 - Step 5: Solve for x
x = 80,008,849,701,694,608/257,518,551.84 - Step 6: Final answer
x = 310,691,595.34
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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.