Home / 1,429,046,588.63-2,143,332,128.79-432,830,763.45

Finding the Fourth Proportional to 1,429,046,588.63, 2,143,332,128.79 and 432,830,763.45

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Solution

The fourth proportional to 1,429,046,588.63, 2,143,332,128.79 and 432,830,763.45 is: 649,174,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,588.63 : 2,143,332,128.79 = 432,830,763.45 : x
  2. Step 2: Convert to fraction form
    1,429,046,588.63/2,143,332,128.79 = 432,830,763.45/x
  3. Step 3: Cross multiply
    1,429,046,588.63x = 2,143,332,128.79 × 432,830,763.45
  4. Step 4: Simplify right side
    1,429,046,588.63x = 927,700,081,621,450,496
  5. Step 5: Solve for x
    x = 927,700,081,621,450,496/1,429,046,588.63
  6. Step 6: Final answer
    x = 649,174,134.00

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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.