Home / 800,735,785.65-1,201,103,678.48-493,030,134.45

Finding the Fourth Proportional to 800,735,785.65, 1,201,103,678.48 and 493,030,134.45

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Solution

The fourth proportional to 800,735,785.65, 1,201,103,678.48 and 493,030,134.45 is: 739,545,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,735,785.65 : 1,201,103,678.48 = 493,030,134.45 : x
  2. Step 2: Convert to fraction form
    800,735,785.65/1,201,103,678.48 = 493,030,134.45/x
  3. Step 3: Cross multiply
    800,735,785.65x = 1,201,103,678.48 × 493,030,134.45
  4. Step 4: Simplify right side
    800,735,785.65x = 592,180,308,089,383,936
  5. Step 5: Solve for x
    x = 592,180,308,089,383,936/800,735,785.65
  6. Step 6: Final answer
    x = 739,545,201.68

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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.