Home / 79,178,150,647.40-118,767,225,971.10-29,481,189,549.80

Finding the Fourth Proportional to 79,178,150,647.40, 118,767,225,971.10 and 29,481,189,549.80

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Solution

The fourth proportional to 79,178,150,647.40, 118,767,225,971.10 and 29,481,189,549.80 is: 44,221,784,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178,150,647.40 : 118,767,225,971.10 = 29,481,189,549.80 : x
  2. Step 2: Convert to fraction form
    79,178,150,647.40/118,767,225,971.10 = 29,481,189,549.80/x
  3. Step 3: Cross multiply
    79,178,150,647.40x = 118,767,225,971.10 × 29,481,189,549.80
  4. Step 4: Simplify right side
    79,178,150,647.40x = 3,501,399,101,157,928,337,408
  5. Step 5: Solve for x
    x = 3,501,399,101,157,928,337,408/79,178,150,647.40
  6. Step 6: Final answer
    x = 44,221,784,324.70

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Double scale
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1.5x scale

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.