Home / 412,777,292.96-619,255,518.96-125,555,492

Finding the Fourth Proportional to 412,777,292.96, 619,255,518.96 and 125,555,492

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Solution

The fourth proportional to 412,777,292.96, 619,255,518.96 and 125,555,492 is: 188,360,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,777,292.96 : 619,255,518.96 = 125,555,492 : x
  2. Step 2: Convert to fraction form
    412,777,292.96/619,255,518.96 = 125,555,492/x
  3. Step 3: Cross multiply
    412,777,292.96x = 619,255,518.96 × 125,555,492
  4. Step 4: Simplify right side
    412,777,292.96x = 77,750,931,356,738,128
  5. Step 5: Solve for x
    x = 77,750,931,356,738,128/412,777,292.96
  6. Step 6: Final answer
    x = 188,360,485.62

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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.