Home / 1,429,046,589-2,143,332,129.35-432,830,763.82

Finding the Fourth Proportional to 1,429,046,589, 2,143,332,129.35 and 432,830,763.82

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Solution

The fourth proportional to 1,429,046,589, 2,143,332,129.35 and 432,830,763.82 is: 649,174,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,589 : 2,143,332,129.35 = 432,830,763.82 : x
  2. Step 2: Convert to fraction form
    1,429,046,589/2,143,332,129.35 = 432,830,763.82/x
  3. Step 3: Cross multiply
    1,429,046,589x = 2,143,332,129.35 × 432,830,763.82
  4. Step 4: Simplify right side
    1,429,046,589x = 927,700,082,668,688,640
  5. Step 5: Solve for x
    x = 927,700,082,668,688,640/1,429,046,589
  6. Step 6: Final answer
    x = 649,174,134.57

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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.