Home / 1,429,046,591-2,143,332,132.35-432,830,765.82

Finding the Fourth Proportional to 1,429,046,591, 2,143,332,132.35 and 432,830,765.82

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Solution

The fourth proportional to 1,429,046,591, 2,143,332,132.35 and 432,830,765.82 is: 649,174,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,591 : 2,143,332,132.35 = 432,830,765.82 : x
  2. Step 2: Convert to fraction form
    1,429,046,591/2,143,332,132.35 = 432,830,765.82/x
  3. Step 3: Cross multiply
    1,429,046,591x = 2,143,332,132.35 × 432,830,765.82
  4. Step 4: Simplify right side
    1,429,046,591x = 927,700,088,251,664,000
  5. Step 5: Solve for x
    x = 927,700,088,251,664,000/1,429,046,591
  6. Step 6: Final answer
    x = 649,174,137.56

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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.