Home / 469,889,740.20-704,834,610.30-400,353,637.80

Finding the Fourth Proportional to 469,889,740.20, 704,834,610.30 and 400,353,637.80

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Solution

The fourth proportional to 469,889,740.20, 704,834,610.30 and 400,353,637.80 is: 600,530,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,889,740.20 : 704,834,610.30 = 400,353,637.80 : x
  2. Step 2: Convert to fraction form
    469,889,740.20/704,834,610.30 = 400,353,637.80/x
  3. Step 3: Cross multiply
    469,889,740.20x = 704,834,610.30 × 400,353,637.80
  4. Step 4: Simplify right side
    469,889,740.20x = 282,183,100,280,950,336
  5. Step 5: Solve for x
    x = 282,183,100,280,950,336/469,889,740.20
  6. Step 6: Final answer
    x = 600,530,456.70

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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.