Home / 79,238,317,828.74-109,349,745,668.73-43,109,555,644.50

Finding the Fourth Proportional to 79,238,317,828.74, 109,349,745,668.73 and 43,109,555,644.50

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Solution

The fourth proportional to 79,238,317,828.74, 109,349,745,668.73 and 43,109,555,644.50 is: 59,491,658,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238,317,828.74 : 109,349,745,668.73 = 43,109,555,644.50 : x
  2. Step 2: Convert to fraction form
    79,238,317,828.74/109,349,745,668.73 = 43,109,555,644.50/x
  3. Step 3: Cross multiply
    79,238,317,828.74x = 109,349,745,668.73 × 43,109,555,644.50
  4. Step 4: Simplify right side
    79,238,317,828.74x = 4,714,018,945,618,038,751,232
  5. Step 5: Solve for x
    x = 4,714,018,945,618,038,751,232/79,238,317,828.74
  6. Step 6: Final answer
    x = 59,491,658,515.60

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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.