Home / 432,412,762.71-649,653,901.65-277,270,529.43

Finding the Fourth Proportional to 432,412,762.71, 649,653,901.65 and 277,270,529.43

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Solution

The fourth proportional to 432,412,762.71, 649,653,901.65 and 277,270,529.43 is: 416,569,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,412,762.71 : 649,653,901.65 = 277,270,529.43 : x
  2. Step 2: Convert to fraction form
    432,412,762.71/649,653,901.65 = 277,270,529.43/x
  3. Step 3: Cross multiply
    432,412,762.71x = 649,653,901.65 × 277,270,529.43
  4. Step 4: Simplify right side
    432,412,762.71x = 180,129,881,256,760,640
  5. Step 5: Solve for x
    x = 180,129,881,256,760,640/432,412,762.71
  6. Step 6: Final answer
    x = 416,569,298.57

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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.