Home / 538,763,140.20-808,144,710.30-193,728,023.40

Finding the Fourth Proportional to 538,763,140.20, 808,144,710.30 and 193,728,023.40

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Solution

The fourth proportional to 538,763,140.20, 808,144,710.30 and 193,728,023.40 is: 290,592,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,763,140.20 : 808,144,710.30 = 193,728,023.40 : x
  2. Step 2: Convert to fraction form
    538,763,140.20/808,144,710.30 = 193,728,023.40/x
  3. Step 3: Cross multiply
    538,763,140.20x = 808,144,710.30 × 193,728,023.40
  4. Step 4: Simplify right side
    538,763,140.20x = 156,560,277,347,584,608
  5. Step 5: Solve for x
    x = 156,560,277,347,584,608/538,763,140.20
  6. Step 6: Final answer
    x = 290,592,035.10

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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.