Home / 474,804,430.20-712,206,645.30-393,175,092.60

Finding the Fourth Proportional to 474,804,430.20, 712,206,645.30 and 393,175,092.60

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Solution

The fourth proportional to 474,804,430.20, 712,206,645.30 and 393,175,092.60 is: 589,762,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,804,430.20 : 712,206,645.30 = 393,175,092.60 : x
  2. Step 2: Convert to fraction form
    474,804,430.20/712,206,645.30 = 393,175,092.60/x
  3. Step 3: Cross multiply
    474,804,430.20x = 712,206,645.30 × 393,175,092.60
  4. Step 4: Simplify right side
    474,804,430.20x = 280,021,913,716,162,848
  5. Step 5: Solve for x
    x = 280,021,913,716,162,848/474,804,430.20
  6. Step 6: Final answer
    x = 589,762,638.90

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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.