Home / 840,122,745.92-1,260,173,982-218,282,953.86

Finding the Fourth Proportional to 840,122,745.92, 1,260,173,982 and 218,282,953.86

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Solution

The fourth proportional to 840,122,745.92, 1,260,173,982 and 218,282,953.86 is: 327,421,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,122,745.92 : 1,260,173,982 = 218,282,953.86 : x
  2. Step 2: Convert to fraction form
    840,122,745.92/1,260,173,982 = 218,282,953.86/x
  3. Step 3: Cross multiply
    840,122,745.92x = 1,260,173,982 × 218,282,953.86
  4. Step 4: Simplify right side
    840,122,745.92x = 275,074,499,168,478,496
  5. Step 5: Solve for x
    x = 275,074,499,168,478,496/840,122,745.92
  6. Step 6: Final answer
    x = 327,421,797.00

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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.