Home / 332,424,020.40-498,636,030.60-221,459,139.60

Finding the Fourth Proportional to 332,424,020.40, 498,636,030.60 and 221,459,139.60

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Solution

The fourth proportional to 332,424,020.40, 498,636,030.60 and 221,459,139.60 is: 332,188,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,424,020.40 : 498,636,030.60 = 221,459,139.60 : x
  2. Step 2: Convert to fraction form
    332,424,020.40/498,636,030.60 = 221,459,139.60/x
  3. Step 3: Cross multiply
    332,424,020.40x = 498,636,030.60 × 221,459,139.60
  4. Step 4: Simplify right side
    332,424,020.40x = 110,427,506,310,235,280
  5. Step 5: Solve for x
    x = 110,427,506,310,235,280/332,424,020.40
  6. Step 6: Final answer
    x = 332,188,709.40

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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.