Home / 839,336,645.40-1,259,004,968.10-533,982,456.60

Finding the Fourth Proportional to 839,336,645.40, 1,259,004,968.10 and 533,982,456.60

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Solution

The fourth proportional to 839,336,645.40, 1,259,004,968.10 and 533,982,456.60 is: 800,973,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,336,645.40 : 1,259,004,968.10 = 533,982,456.60 : x
  2. Step 2: Convert to fraction form
    839,336,645.40/1,259,004,968.10 = 533,982,456.60/x
  3. Step 3: Cross multiply
    839,336,645.40x = 1,259,004,968.10 × 533,982,456.60
  4. Step 4: Simplify right side
    839,336,645.40x = 672,286,565,737,642,624
  5. Step 5: Solve for x
    x = 672,286,565,737,642,624/839,336,645.40
  6. Step 6: Final answer
    x = 800,973,684.90

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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.