Home / 432,412,748.27-649,653,879.76-277,270,515

Finding the Fourth Proportional to 432,412,748.27, 649,653,879.76 and 277,270,515

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Solution

The fourth proportional to 432,412,748.27, 649,653,879.76 and 277,270,515 is: 416,569,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,412,748.27 : 649,653,879.76 = 277,270,515 : x
  2. Step 2: Convert to fraction form
    432,412,748.27/649,653,879.76 = 277,270,515/x
  3. Step 3: Cross multiply
    432,412,748.27x = 649,653,879.76 × 277,270,515
  4. Step 4: Simplify right side
    432,412,748.27x = 180,129,865,812,803,264
  5. Step 5: Solve for x
    x = 180,129,865,812,803,264/432,412,748.27
  6. Step 6: Final answer
    x = 416,569,276.77

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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.