Home / 353,870,070.40-530,805,105.60-200,815,062.40

Finding the Fourth Proportional to 353,870,070.40, 530,805,105.60 and 200,815,062.40

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Solution

The fourth proportional to 353,870,070.40, 530,805,105.60 and 200,815,062.40 is: 301,222,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,870,070.40 : 530,805,105.60 = 200,815,062.40 : x
  2. Step 2: Convert to fraction form
    353,870,070.40/530,805,105.60 = 200,815,062.40/x
  3. Step 3: Cross multiply
    353,870,070.40x = 530,805,105.60 × 200,815,062.40
  4. Step 4: Simplify right side
    353,870,070.40x = 106,593,660,403,302,592
  5. Step 5: Solve for x
    x = 106,593,660,403,302,592/353,870,070.40
  6. Step 6: Final answer
    x = 301,222,593.60

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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.