Home / 786,085,658.20-1,179,128,487.30-604,687,130.20

Finding the Fourth Proportional to 786,085,658.20, 1,179,128,487.30 and 604,687,130.20

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Solution

The fourth proportional to 786,085,658.20, 1,179,128,487.30 and 604,687,130.20 is: 907,030,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,085,658.20 : 1,179,128,487.30 = 604,687,130.20 : x
  2. Step 2: Convert to fraction form
    786,085,658.20/1,179,128,487.30 = 604,687,130.20/x
  3. Step 3: Cross multiply
    786,085,658.20x = 1,179,128,487.30 × 604,687,130.20
  4. Step 4: Simplify right side
    786,085,658.20x = 713,003,821,122,504,192
  5. Step 5: Solve for x
    x = 713,003,821,122,504,192/786,085,658.20
  6. Step 6: Final answer
    x = 907,030,695.30

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Double scale
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Similar ratio
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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.