Home / 356,292,351.40-534,438,527.10-321,854,974.60

Finding the Fourth Proportional to 356,292,351.40, 534,438,527.10 and 321,854,974.60

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Solution

The fourth proportional to 356,292,351.40, 534,438,527.10 and 321,854,974.60 is: 482,782,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292,351.40 : 534,438,527.10 = 321,854,974.60 : x
  2. Step 2: Convert to fraction form
    356,292,351.40/534,438,527.10 = 321,854,974.60/x
  3. Step 3: Cross multiply
    356,292,351.40x = 534,438,527.10 × 321,854,974.60
  4. Step 4: Simplify right side
    356,292,351.40x = 172,011,698,565,031,936
  5. Step 5: Solve for x
    x = 172,011,698,565,031,936/356,292,351.40
  6. Step 6: Final answer
    x = 482,782,461.90

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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.