Home / 1,309,332,923.91-1,964,367,851.63-572,467,538.79

Finding the Fourth Proportional to 1,309,332,923.91, 1,964,367,851.63 and 572,467,538.79

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Solution

The fourth proportional to 1,309,332,923.91, 1,964,367,851.63 and 572,467,538.79 is: 858,862,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,332,923.91 : 1,964,367,851.63 = 572,467,538.79 : x
  2. Step 2: Convert to fraction form
    1,309,332,923.91/1,964,367,851.63 = 572,467,538.79/x
  3. Step 3: Cross multiply
    1,309,332,923.91x = 1,964,367,851.63 × 572,467,538.79
  4. Step 4: Simplify right side
    1,309,332,923.91x = 1,124,536,829,297,963,520
  5. Step 5: Solve for x
    x = 1,124,536,829,297,963,520/1,309,332,923.91
  6. Step 6: Final answer
    x = 858,862,409.07

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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.