Home / 1,309,765,967.70-1,964,648,951.55-654,818,079.30

Finding the Fourth Proportional to 1,309,765,967.70, 1,964,648,951.55 and 654,818,079.30

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Solution

The fourth proportional to 1,309,765,967.70, 1,964,648,951.55 and 654,818,079.30 is: 982,227,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,765,967.70 : 1,964,648,951.55 = 654,818,079.30 : x
  2. Step 2: Convert to fraction form
    1,309,765,967.70/1,964,648,951.55 = 654,818,079.30/x
  3. Step 3: Cross multiply
    1,309,765,967.70x = 1,964,648,951.55 × 654,818,079.30
  4. Step 4: Simplify right side
    1,309,765,967.70x = 1,286,487,652,952,729,600
  5. Step 5: Solve for x
    x = 1,286,487,652,952,729,600/1,309,765,967.70
  6. Step 6: Final answer
    x = 982,227,118.95

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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.