Home / 839,809,511.70-1,259,714,267.55-773,485,674.90

Finding the Fourth Proportional to 839,809,511.70, 1,259,714,267.55 and 773,485,674.90

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Solution

The fourth proportional to 839,809,511.70, 1,259,714,267.55 and 773,485,674.90 is: 1,160,228,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,511.70 : 1,259,714,267.55 = 773,485,674.90 : x
  2. Step 2: Convert to fraction form
    839,809,511.70/1,259,714,267.55 = 773,485,674.90/x
  3. Step 3: Cross multiply
    839,809,511.70x = 1,259,714,267.55 × 773,485,674.90
  4. Step 4: Simplify right side
    839,809,511.70x = 974,370,940,417,070,848
  5. Step 5: Solve for x
    x = 974,370,940,417,070,848/839,809,511.70
  6. Step 6: Final answer
    x = 1,160,228,512.35

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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.