Home / 1,429,046,589.13-2,143,332,129.54-432,830,763.95

Finding the Fourth Proportional to 1,429,046,589.13, 2,143,332,129.54 and 432,830,763.95

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Solution

The fourth proportional to 1,429,046,589.13, 2,143,332,129.54 and 432,830,763.95 is: 649,174,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,589.13 : 2,143,332,129.54 = 432,830,763.95 : x
  2. Step 2: Convert to fraction form
    1,429,046,589.13/2,143,332,129.54 = 432,830,763.95/x
  3. Step 3: Cross multiply
    1,429,046,589.13x = 2,143,332,129.54 × 432,830,763.95
  4. Step 4: Simplify right side
    1,429,046,589.13x = 927,700,083,014,497,792
  5. Step 5: Solve for x
    x = 927,700,083,014,497,792/1,429,046,589.13
  6. Step 6: Final answer
    x = 649,174,134.75

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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.