Home / 79,238,317,830.74-109,349,745,671.50-43,109,555,646.50

Finding the Fourth Proportional to 79,238,317,830.74, 109,349,745,671.50 and 43,109,555,646.50

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Solution

The fourth proportional to 79,238,317,830.74, 109,349,745,671.50 and 43,109,555,646.50 is: 59,491,658,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238,317,830.74 : 109,349,745,671.50 = 43,109,555,646.50 : x
  2. Step 2: Convert to fraction form
    79,238,317,830.74/109,349,745,671.50 = 43,109,555,646.50/x
  3. Step 3: Cross multiply
    79,238,317,830.74x = 109,349,745,671.50 × 43,109,555,646.50
  4. Step 4: Simplify right side
    79,238,317,830.74x = 4,714,018,945,956,151,558,144
  5. Step 5: Solve for x
    x = 4,714,018,945,956,151,558,144/79,238,317,830.74
  6. Step 6: Final answer
    x = 59,491,658,518.37

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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.