Home / 272,228,624,313.40-408,337,328,999.43-90,724,637,874.11

Finding the Fourth Proportional to 272,228,624,313.40, 408,337,328,999.43 and 90,724,637,874.11

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Solution

The fourth proportional to 272,228,624,313.40, 408,337,328,999.43 and 90,724,637,874.11 is: 136,085,088,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,228,624,313.40 : 408,337,328,999.43 = 90,724,637,874.11 : x
  2. Step 2: Convert to fraction form
    272,228,624,313.40/408,337,328,999.43 = 90,724,637,874.11/x
  3. Step 3: Cross multiply
    272,228,624,313.40x = 408,337,328,999.43 × 90,724,637,874.11
  4. Step 4: Simplify right side
    272,228,624,313.40x = 37,046,256,303,952,556,457,984
  5. Step 5: Solve for x
    x = 37,046,256,303,952,556,457,984/272,228,624,313.40
  6. Step 6: Final answer
    x = 136,085,088,029.92

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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.