Home / 361,217,918.03-498,522,079.51-202,490,911.55

Finding the Fourth Proportional to 361,217,918.03, 498,522,079.51 and 202,490,911.55

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Solution

The fourth proportional to 361,217,918.03, 498,522,079.51 and 202,490,911.55 is: 279,460,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,217,918.03 : 498,522,079.51 = 202,490,911.55 : x
  2. Step 2: Convert to fraction form
    361,217,918.03/498,522,079.51 = 202,490,911.55/x
  3. Step 3: Cross multiply
    361,217,918.03x = 498,522,079.51 × 202,490,911.55
  4. Step 4: Simplify right side
    361,217,918.03x = 100,946,190,308,521,552
  5. Step 5: Solve for x
    x = 100,946,190,308,521,552/361,217,918.03
  6. Step 6: Final answer
    x = 279,460,639.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.