Home / 332,424,009.40-498,636,014.10-221,459,128.60

Finding the Fourth Proportional to 332,424,009.40, 498,636,014.10 and 221,459,128.60

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Solution

The fourth proportional to 332,424,009.40, 498,636,014.10 and 221,459,128.60 is: 332,188,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,424,009.40 : 498,636,014.10 = 221,459,128.60 : x
  2. Step 2: Convert to fraction form
    332,424,009.40/498,636,014.10 = 221,459,128.60/x
  3. Step 3: Cross multiply
    332,424,009.40x = 498,636,014.10 × 221,459,128.60
  4. Step 4: Simplify right side
    332,424,009.40x = 110,427,497,171,163,312
  5. Step 5: Solve for x
    x = 110,427,497,171,163,312/332,424,009.40
  6. Step 6: Final answer
    x = 332,188,692.90

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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.