Home / 432,412,816.15-649,653,981.81-277,270,582.87

Finding the Fourth Proportional to 432,412,816.15, 649,653,981.81 and 277,270,582.87

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Solution

The fourth proportional to 432,412,816.15, 649,653,981.81 and 277,270,582.87 is: 416,569,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,412,816.15 : 649,653,981.81 = 277,270,582.87 : x
  2. Step 2: Convert to fraction form
    432,412,816.15/649,653,981.81 = 277,270,582.87/x
  3. Step 3: Cross multiply
    432,412,816.15x = 649,653,981.81 × 277,270,582.87
  4. Step 4: Simplify right side
    432,412,816.15x = 180,129,938,200,275,072
  5. Step 5: Solve for x
    x = 180,129,938,200,275,072/432,412,816.15
  6. Step 6: Final answer
    x = 416,569,378.78

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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.