Home / 353,869,946.40-530,804,919.60-200,814,938.40

Finding the Fourth Proportional to 353,869,946.40, 530,804,919.60 and 200,814,938.40

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Solution

The fourth proportional to 353,869,946.40, 530,804,919.60 and 200,814,938.40 is: 301,222,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,869,946.40 : 530,804,919.60 = 200,814,938.40 : x
  2. Step 2: Convert to fraction form
    353,869,946.40/530,804,919.60 = 200,814,938.40/x
  3. Step 3: Cross multiply
    353,869,946.40x = 530,804,919.60 × 200,814,938.40
  4. Step 4: Simplify right side
    353,869,946.40x = 106,593,557,231,890,960
  5. Step 5: Solve for x
    x = 106,593,557,231,890,960/353,869,946.40
  6. Step 6: Final answer
    x = 301,222,407.60

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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.