Home / 587,185,499.70-880,750,255.95-198,970,254.90

Finding the Fourth Proportional to 587,185,499.70, 880,750,255.95 and 198,970,254.90

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Solution

The fourth proportional to 587,185,499.70, 880,750,255.95 and 198,970,254.90 is: 298,445,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,185,499.70 : 880,750,255.95 = 198,970,254.90 : x
  2. Step 2: Convert to fraction form
    587,185,499.70/880,750,255.95 = 198,970,254.90/x
  3. Step 3: Cross multiply
    587,185,499.70x = 880,750,255.95 × 198,970,254.90
  4. Step 4: Simplify right side
    587,185,499.70x = 175,243,102,929,611,744
  5. Step 5: Solve for x
    x = 175,243,102,929,611,744/587,185,499.70
  6. Step 6: Final answer
    x = 298,445,896.60

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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.