Home / 1,429,046,817.17-2,143,332,471.44-432,830,992.16

Finding the Fourth Proportional to 1,429,046,817.17, 2,143,332,471.44 and 432,830,992.16

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Solution

The fourth proportional to 1,429,046,817.17, 2,143,332,471.44 and 432,830,992.16 is: 649,174,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,817.17 : 2,143,332,471.44 = 432,830,992.16 : x
  2. Step 2: Convert to fraction form
    1,429,046,817.17/2,143,332,471.44 = 432,830,992.16/x
  3. Step 3: Cross multiply
    1,429,046,817.17x = 2,143,332,471.44 × 432,830,992.16
  4. Step 4: Simplify right side
    1,429,046,817.17x = 927,700,720,148,560,512
  5. Step 5: Solve for x
    x = 927,700,720,148,560,512/1,429,046,817.17
  6. Step 6: Final answer
    x = 649,174,477.00

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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.