Home / 1,429,046,587.22-2,143,332,126.69-432,830,762.04

Finding the Fourth Proportional to 1,429,046,587.22, 2,143,332,126.69 and 432,830,762.04

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Solution

The fourth proportional to 1,429,046,587.22, 2,143,332,126.69 and 432,830,762.04 is: 649,174,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,587.22 : 2,143,332,126.69 = 432,830,762.04 : x
  2. Step 2: Convert to fraction form
    1,429,046,587.22/2,143,332,126.69 = 432,830,762.04/x
  3. Step 3: Cross multiply
    1,429,046,587.22x = 2,143,332,126.69 × 432,830,762.04
  4. Step 4: Simplify right side
    1,429,046,587.22x = 927,700,077,695,584,128
  5. Step 5: Solve for x
    x = 927,700,077,695,584,128/1,429,046,587.22
  6. Step 6: Final answer
    x = 649,174,131.89

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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.