Home / 413,967,155.60-620,950,733.40-310,655,025.20

Finding the Fourth Proportional to 413,967,155.60, 620,950,733.40 and 310,655,025.20

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Solution

The fourth proportional to 413,967,155.60, 620,950,733.40 and 310,655,025.20 is: 465,982,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,967,155.60 : 620,950,733.40 = 310,655,025.20 : x
  2. Step 2: Convert to fraction form
    413,967,155.60/620,950,733.40 = 310,655,025.20/x
  3. Step 3: Cross multiply
    413,967,155.60x = 620,950,733.40 × 310,655,025.20
  4. Step 4: Simplify right side
    413,967,155.60x = 192,901,465,732,335,456
  5. Step 5: Solve for x
    x = 192,901,465,732,335,456/413,967,155.60
  6. Step 6: Final answer
    x = 465,982,537.80

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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.