Home / 391,436,999,137.40-540,230,084,418.60-237,108,150,430.10

Finding the Fourth Proportional to 391,436,999,137.40, 540,230,084,418.60 and 237,108,150,430.10

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Solution

The fourth proportional to 391,436,999,137.40, 540,230,084,418.60 and 237,108,150,430.10 is: 327,237,732,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,436,999,137.40 : 540,230,084,418.60 = 237,108,150,430.10 : x
  2. Step 2: Convert to fraction form
    391,436,999,137.40/540,230,084,418.60 = 237,108,150,430.10/x
  3. Step 3: Cross multiply
    391,436,999,137.40x = 540,230,084,418.60 × 237,108,150,430.10
  4. Step 4: Simplify right side
    391,436,999,137.40x = 128,092,956,123,191,033,462,784
  5. Step 5: Solve for x
    x = 128,092,956,123,191,033,462,784/391,436,999,137.40
  6. Step 6: Final answer
    x = 327,237,732,778.11

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1.5x scale

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.