Home / 399,174,564.60-598,761,846.90-393,799,793.40

Finding the Fourth Proportional to 399,174,564.60, 598,761,846.90 and 393,799,793.40

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Solution

The fourth proportional to 399,174,564.60, 598,761,846.90 and 393,799,793.40 is: 590,699,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,174,564.60 : 598,761,846.90 = 393,799,793.40 : x
  2. Step 2: Convert to fraction form
    399,174,564.60/598,761,846.90 = 393,799,793.40/x
  3. Step 3: Cross multiply
    399,174,564.60x = 598,761,846.90 × 393,799,793.40
  4. Step 4: Simplify right side
    399,174,564.60x = 235,792,291,605,022,400
  5. Step 5: Solve for x
    x = 235,792,291,605,022,400/399,174,564.60
  6. Step 6: Final answer
    x = 590,699,690.10

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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.