Home / 885,261,621.60-1,327,892,432.40-859,752,453.60

Finding the Fourth Proportional to 885,261,621.60, 1,327,892,432.40 and 859,752,453.60

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Solution

The fourth proportional to 885,261,621.60, 1,327,892,432.40 and 859,752,453.60 is: 1,289,628,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,261,621.60 : 1,327,892,432.40 = 859,752,453.60 : x
  2. Step 2: Convert to fraction form
    885,261,621.60/1,327,892,432.40 = 859,752,453.60/x
  3. Step 3: Cross multiply
    885,261,621.60x = 1,327,892,432.40 × 859,752,453.60
  4. Step 4: Simplify right side
    885,261,621.60x = 1,141,658,776,872,772,224
  5. Step 5: Solve for x
    x = 1,141,658,776,872,772,224/885,261,621.60
  6. Step 6: Final answer
    x = 1,289,628,680.40

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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.