Home / 925,415,345.81-1,378,504,766.15-875,291,823.59

Finding the Fourth Proportional to 925,415,345.81, 1,378,504,766.15 and 875,291,823.59

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Solution

The fourth proportional to 925,415,345.81, 1,378,504,766.15 and 875,291,823.59 is: 1,303,840,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,415,345.81 : 1,378,504,766.15 = 875,291,823.59 : x
  2. Step 2: Convert to fraction form
    925,415,345.81/1,378,504,766.15 = 875,291,823.59/x
  3. Step 3: Cross multiply
    925,415,345.81x = 1,378,504,766.15 × 875,291,823.59
  4. Step 4: Simplify right side
    925,415,345.81x = 1,206,593,950,590,940,160
  5. Step 5: Solve for x
    x = 1,206,593,950,590,940,160/925,415,345.81
  6. Step 6: Final answer
    x = 1,303,840,438.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.