Home / 1,912,896,443.20-2,869,344,664.80-532,923,937.60

Finding the Fourth Proportional to 1,912,896,443.20, 2,869,344,664.80 and 532,923,937.60

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Solution

The fourth proportional to 1,912,896,443.20, 2,869,344,664.80 and 532,923,937.60 is: 799,385,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,896,443.20 : 2,869,344,664.80 = 532,923,937.60 : x
  2. Step 2: Convert to fraction form
    1,912,896,443.20/2,869,344,664.80 = 532,923,937.60/x
  3. Step 3: Cross multiply
    1,912,896,443.20x = 2,869,344,664.80 × 532,923,937.60
  4. Step 4: Simplify right side
    1,912,896,443.20x = 1,529,142,457,096,768,256
  5. Step 5: Solve for x
    x = 1,529,142,457,096,768,256/1,912,896,443.20
  6. Step 6: Final answer
    x = 799,385,906.40

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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.