Home / 1,309,332,956.40-1,964,367,900.36-572,467,571.28

Finding the Fourth Proportional to 1,309,332,956.40, 1,964,367,900.36 and 572,467,571.28

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Solution

The fourth proportional to 1,309,332,956.40, 1,964,367,900.36 and 572,467,571.28 is: 858,862,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,332,956.40 : 1,964,367,900.36 = 572,467,571.28 : x
  2. Step 2: Convert to fraction form
    1,309,332,956.40/1,964,367,900.36 = 572,467,571.28/x
  3. Step 3: Cross multiply
    1,309,332,956.40x = 1,964,367,900.36 × 572,467,571.28
  4. Step 4: Simplify right side
    1,309,332,956.40x = 1,124,536,921,019,482,112
  5. Step 5: Solve for x
    x = 1,124,536,921,019,482,112/1,309,332,956.40
  6. Step 6: Final answer
    x = 858,862,457.81

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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.