Home / 839,810,352.80-1,259,715,529.20-470,966,679.20

Finding the Fourth Proportional to 839,810,352.80, 1,259,715,529.20 and 470,966,679.20

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Solution

The fourth proportional to 839,810,352.80, 1,259,715,529.20 and 470,966,679.20 is: 706,450,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,352.80 : 1,259,715,529.20 = 470,966,679.20 : x
  2. Step 2: Convert to fraction form
    839,810,352.80/1,259,715,529.20 = 470,966,679.20/x
  3. Step 3: Cross multiply
    839,810,352.80x = 1,259,715,529.20 × 470,966,679.20
  4. Step 4: Simplify right side
    839,810,352.80x = 593,284,039,523,994,624
  5. Step 5: Solve for x
    x = 593,284,039,523,994,624/839,810,352.80
  6. Step 6: Final answer
    x = 706,450,018.80

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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.