Home / 1,660,789,748.40-2,489,484,011.40-970,341,601.20

Finding the Fourth Proportional to 1,660,789,748.40, 2,489,484,011.40 and 970,341,601.20

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Solution

The fourth proportional to 1,660,789,748.40, 2,489,484,011.40 and 970,341,601.20 is: 1,454,518,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,789,748.40 : 2,489,484,011.40 = 970,341,601.20 : x
  2. Step 2: Convert to fraction form
    1,660,789,748.40/2,489,484,011.40 = 970,341,601.20/x
  3. Step 3: Cross multiply
    1,660,789,748.40x = 2,489,484,011.40 × 970,341,601.20
  4. Step 4: Simplify right side
    1,660,789,748.40x = 2,415,649,901,783,675,392
  5. Step 5: Solve for x
    x = 2,415,649,901,783,675,392/1,660,789,748.40
  6. Step 6: Final answer
    x = 1,454,518,793.91

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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.