Home / 2,087,142,776.40-3,130,714,164.60-859,679,403.60

Finding the Fourth Proportional to 2,087,142,776.40, 3,130,714,164.60 and 859,679,403.60

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Solution

The fourth proportional to 2,087,142,776.40, 3,130,714,164.60 and 859,679,403.60 is: 1,289,519,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,142,776.40 : 3,130,714,164.60 = 859,679,403.60 : x
  2. Step 2: Convert to fraction form
    2,087,142,776.40/3,130,714,164.60 = 859,679,403.60/x
  3. Step 3: Cross multiply
    2,087,142,776.40x = 3,130,714,164.60 × 859,679,403.60
  4. Step 4: Simplify right side
    2,087,142,776.40x = 2,691,410,485,865,400,320
  5. Step 5: Solve for x
    x = 2,691,410,485,865,400,320/2,087,142,776.40
  6. Step 6: Final answer
    x = 1,289,519,105.40

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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.