Home / 651,503,545,565.58-977,396,692,285.92-198,210,669,107.16

Finding the Fourth Proportional to 651,503,545,565.58, 977,396,692,285.92 and 198,210,669,107.16

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Solution

The fourth proportional to 651,503,545,565.58, 977,396,692,285.92 and 198,210,669,107.16 is: 297,359,014,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,503,545,565.58 : 977,396,692,285.92 = 198,210,669,107.16 : x
  2. Step 2: Convert to fraction form
    651,503,545,565.58/977,396,692,285.92 = 198,210,669,107.16/x
  3. Step 3: Cross multiply
    651,503,545,565.58x = 977,396,692,285.92 × 198,210,669,107.16
  4. Step 4: Simplify right side
    651,503,545,565.58x = 193,730,452,361,117,188,489,216
  5. Step 5: Solve for x
    x = 193,730,452,361,117,188,489,216/651,503,545,565.58
  6. Step 6: Final answer
    x = 297,359,014,666.51

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Double scale
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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.