Home / 839,808,727.20-1,259,713,090.80-452,825,200.80

Finding the Fourth Proportional to 839,808,727.20, 1,259,713,090.80 and 452,825,200.80

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Solution

The fourth proportional to 839,808,727.20, 1,259,713,090.80 and 452,825,200.80 is: 679,237,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,727.20 : 1,259,713,090.80 = 452,825,200.80 : x
  2. Step 2: Convert to fraction form
    839,808,727.20/1,259,713,090.80 = 452,825,200.80/x
  3. Step 3: Cross multiply
    839,808,727.20x = 1,259,713,090.80 × 452,825,200.80
  4. Step 4: Simplify right side
    839,808,727.20x = 570,429,833,291,898,624
  5. Step 5: Solve for x
    x = 570,429,833,291,898,624/839,808,727.20
  6. Step 6: Final answer
    x = 679,237,801.20

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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.