Home / 446,928,987.60-670,393,481.40-123,812,859.60

Finding the Fourth Proportional to 446,928,987.60, 670,393,481.40 and 123,812,859.60

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Solution

The fourth proportional to 446,928,987.60, 670,393,481.40 and 123,812,859.60 is: 185,719,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,928,987.60 : 670,393,481.40 = 123,812,859.60 : x
  2. Step 2: Convert to fraction form
    446,928,987.60/670,393,481.40 = 123,812,859.60/x
  3. Step 3: Cross multiply
    446,928,987.60x = 670,393,481.40 × 123,812,859.60
  4. Step 4: Simplify right side
    446,928,987.60x = 83,003,333,989,333,408
  5. Step 5: Solve for x
    x = 83,003,333,989,333,408/446,928,987.60
  6. Step 6: Final answer
    x = 185,719,289.40

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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.