Home / 1,153,120,021.80-1,729,512,071.10-335,147,029.80

Finding the Fourth Proportional to 1,153,120,021.80, 1,729,512,071.10 and 335,147,029.80

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Solution

The fourth proportional to 1,153,120,021.80, 1,729,512,071.10 and 335,147,029.80 is: 502,671,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,120,021.80 : 1,729,512,071.10 = 335,147,029.80 : x
  2. Step 2: Convert to fraction form
    1,153,120,021.80/1,729,512,071.10 = 335,147,029.80/x
  3. Step 3: Cross multiply
    1,153,120,021.80x = 1,729,512,071.10 × 335,147,029.80
  4. Step 4: Simplify right side
    1,153,120,021.80x = 579,640,833,632,411,392
  5. Step 5: Solve for x
    x = 579,640,833,632,411,392/1,153,120,021.80
  6. Step 6: Final answer
    x = 502,671,727.72

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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.