Home / 207,012,140,469.60-310,518,210,704.40-198,885,486,415.20

Finding the Fourth Proportional to 207,012,140,469.60, 310,518,210,704.40 and 198,885,486,415.20

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Solution

The fourth proportional to 207,012,140,469.60, 310,518,210,704.40 and 198,885,486,415.20 is: 298,328,229,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,012,140,469.60 : 310,518,210,704.40 = 198,885,486,415.20 : x
  2. Step 2: Convert to fraction form
    207,012,140,469.60/310,518,210,704.40 = 198,885,486,415.20/x
  3. Step 3: Cross multiply
    207,012,140,469.60x = 310,518,210,704.40 × 198,885,486,415.20
  4. Step 4: Simplify right side
    207,012,140,469.60x = 61,757,565,376,722,169,233,408
  5. Step 5: Solve for x
    x = 61,757,565,376,722,169,233,408/207,012,140,469.60
  6. Step 6: Final answer
    x = 298,328,229,622.80

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1.5x scale

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.